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+@node GNUnet Installation Handbook
+@chapter GNUnet Installation Handbook
+
+This handbook describes how to install (build setup, compilation) and
+setup (configuration, start) GNUnet 0.10.x. After following these
+instructions you should be able to install and then start user-interfaces
+to interact with the network.
+
+This manual is far from complete, and we welcome informed contributions,
+be it in the form of new chapters or insightful comments.
+
+@menu
+* Dependencies::
+* Pre-installation notes::
+* Generic installation instructions::
+* Build instructions for Ubuntu 12.04 using Git::
+* Build Instructions for Microsoft Windows Platforms::
+* Build instructions for Debian 7.5::
+* Installing GNUnet from Git on Ubuntu 14.4::
+* Build instructions for Debian 8::
+* Outdated build instructions for previous revisions::
+@c * Portable GNUnet::
+* The graphical configuration interface::
+* How to start and stop a GNUnet peer::
+@end menu
+
+@node Dependencies
+@section Dependencies
+@c %**end of header
+
+This section lists the various known dependencies for
+GNUnet @value{EDITION}.
+Suggestions for missing dependencies or wrong version numbers are welcome.
+
+@menu
+* External dependencies::
+* Fixing libgnurl build issues::
+* Optional dependencies::
+* Internal dependencies::
+@end menu
+
+@node External dependencies
+@subsection External dependencies
+@c %**end of header
+
+These packages must be installed before a typical GNUnet installation
+can be performed:
+
+@itemize @bullet
+@item autoconf
+@item automake
+@item pkg-config
+@item libltdl
+@item gstreamer
+@item gst-plugins-base
+@item perl
+@item python (only 2.7 supported)@footnote{tests and gnunet-qr}
+@item jansson
+@item nss
+@item glib
+@item gmp
+@item bluez
+@item miniupnpc
+@item gettext
+@item which
+@item texinfo
+@item GNU libmicrohttpd @geq{} 0.9.30 @footnote{We recommend to build it
+with a GnuTLS version that was configured with libunbound}
+@item GNU libextractor @geq{} 1.0
+@item GNU libtool @geq{} 2.2
+@item GNU libunistring @geq{} 0.9.1.1
+@item GNU libidn @geq{} 1.0.0
+@item @uref{https://gnupg.org/software/libgcrypt/, GNU libgcrypt} @geq{}
+@uref{https://gnupg.org/ftp/gcrypt/libgcrypt/, 1.6.0}
+@item @uref{https://gnutls.org/, GnuTLS} @geq{} 3.2.7
+@footnote{We recommend to compile with libunbound for DANE support;
+GnuTLS also requires GNU nettle 2.7 (update: GnuTLS 3.2.7 appears NOT
+to work against GNU nettle > 2.7, due to some API updatings done by
+nettle. Thus it should be compiled against nettle 2.7
+and, in case you get some error on the reference to `rpl_strerror' being
+undefined, follow the instructions on
+@uref{http://lists.gnupg.org/pipermail/gnutls-devel/2013-November/006588.html, this}
+post (and the link inside it)).}
+@item @uref{https://gnunet.org/gnurl, gnURL} libgnurl @geq{} 7.34.0
+@footnote{must be compiled after @code{GnuTLS}}
+@item libglpk @geq{} 4.45
+@item @uref{http://www.openssl.org/, OpenSSL} @geq{} 1.0
+@item TeX Live @geq{} 2012, optional (for gnunet-bcd)
+@item Texinfo @geq{} 5.2 (for documentation)
+@item libsqlite @geq{} 3.8.0 @footnote{(note that the code will
+compile and often work with lower version numbers, but you may get subtle
+bugs with respect to quota management in certain rare cases);
+alternatively, MySQL or Postgres can also be installed, but those
+databases will require more complex configurations (not
+recommended for first-time users)}
+@item zlib
+@end itemize
+
+@node Fixing libgnurl build issues
+@subsection Fixing libgnurl build issues
+
+If you have to compile libgnurl from source since the version included in
+your distribution is to old you perhaps get an error message while
+running the @file{configure} script:
+
+@example
+$ configure
+...
+checking for 64-bit curl_off_t data type... unknown
+checking for 32-bit curl_off_t data type... unknown
+checking for 16-bit curl_off_t data type... unknown
+configure: error: cannot find data type for curl_off_t.
+@end example
+
+@noindent
+Solution:
+
+Before running the configure script, set:
+
+@example
+CFLAGS="-I. -I$BUILD_ROOT/include"
+@end example
+
+@node Optional dependencies
+@subsection Optional dependencies
+
+These applications must be installed for various experimental or otherwise
+optional features such as @code{gnunet-conversation}, @code{gnunet-gtk}.
+
+@itemize @bullet
+@item libpulse 2.0 or higher, optional (for gnunet-conversation)
+@item libopus 1.0.1 or higher, optional (for gnunet-conversation)
+@item libogg 1.3.0 or higher, optional (for gnunet-conversation)
+@item certool (binary) optional @footnote{for convenient installation of
+the GNS proxy (available as part of Debian's libnss3-tools)}
+@item python-zbar 0.10 or higher, optional (for gnunet-qr)
+@item Gtk+ 3.0 or higher, optional (for gnunet-gtk)
+@item libgladeui must match Gtk+ version, optional (for gnunet-gtk)
+@item libqrencode 3.0 or higher, optional (for gnunet-namestore-gtk)
+@end itemize
+
+@node Internal dependencies
+@subsection Internal dependencies
+
+This section tries to give an overview of what processes a typical GNUnet
+peer running a particular application would consist of. All of the
+processes listed here should be automatically started by
+@code{gnunet-arm -s}.
+The list is given as a rough first guide to users for failure diagnostics.
+Ideally, end-users should never have to worry about these internal
+dependencies. 
+In terms of internal dependencies, a minimum file-sharing system consists
+of the following GNUnet processes (in order of dependency):
+
+@itemize @bullet
+@item gnunet-service-arm
+@item gnunet-service-resolver (required by all)
+@item gnunet-service-statistics (required by all)
+@item gnunet-service-peerinfo
+@item gnunet-service-transport (requires peerinfo)
+@item gnunet-service-core (requires transport)
+@item gnunet-daemon-hostlist (requires core)
+@item gnunet-daemon-topology (requires hostlist, peerinfo)
+@item gnunet-service-datastore
+@item gnunet-service-dht (requires core)
+@item gnunet-service-identity
+@item gnunet-service-fs (requires identity, mesh, dht, datastore, core)
+@end itemize
+
+@noindent
+A minimum VPN system consists of the following GNUnet processes (in
+order of dependency):
+
+@itemize @bullet
+@item gnunet-service-arm
+@item gnunet-service-resolver (required by all)
+@item gnunet-service-statistics (required by all)
+@item gnunet-service-peerinfo
+@item gnunet-service-transport (requires peerinfo)
+@item gnunet-service-core (requires transport)
+@item gnunet-daemon-hostlist (requires core)
+@item gnunet-service-dht (requires core)
+@item gnunet-service-mesh (requires dht, core)
+@item gnunet-service-dns (requires dht)
+@item gnunet-service-regex (requires dht)
+@item gnunet-service-vpn (requires regex, dns, mesh, dht)
+@end itemize
+
+@noindent
+A minimum GNS system consists of the following GNUnet processes (in
+order of dependency):
+
+@itemize @bullet
+@item gnunet-service-arm
+@item gnunet-service-resolver (required by all)
+@item gnunet-service-statistics (required by all)
+@item gnunet-service-peerinfo
+@item gnunet-service-transport (requires peerinfo)
+@item gnunet-service-core (requires transport)
+@item gnunet-daemon-hostlist (requires core)
+@item gnunet-service-dht (requires core)
+@item gnunet-service-mesh (requires dht, core)
+@item gnunet-service-dns (requires dht)
+@item gnunet-service-regex (requires dht)
+@item gnunet-service-vpn (requires regex, dns, mesh, dht)
+@item gnunet-service-identity
+@item gnunet-service-namestore (requires identity)
+@item gnunet-service-gns (requires vpn, dns, dht, namestore, identity)
+@end itemize
+
+@node Pre-installation notes
+@section Pre-installation notes
+
+Please note that in the code instructions for the installation,
+@emph{#} indicates commands run as privileged root user and
+@emph{$} shows commands run as unprivileged ("normal") system user.
+
+
+@node Generic installation instructions
+@section Generic installation instructions
+
+First, in addition to the GNUnet sources you might require downloading the
+latest version of various dependencies, depending on how recent the
+software versions in your distribution of GNU/Linux are.
+Most distributions do not include sufficiently recent versions of these
+dependencies.
+Thus, a typically installation on a "modern" GNU/Linux distribution
+requires you to install the following dependencies (ideally in this
+order):
+
+@itemize @bullet
+@item libgpgerror and libgcrypt
+@item libnettle and libunbound (possibly from distribution), GnuTLS
+@item libgnurl (read the README)
+@item GNU libmicrohttpd
+@item GNU libextractor
+@end itemize
+
+Make sure to first install the various mandatory and optional
+dependencies including development headers from your distribution.
+
+Other dependencies that you should strongly consider to install is a
+database (MySQL, sqlite or Postgres).
+The following instructions will assume that you installed at least sqlite.
+For most distributions you should be able to find pre-build packages for
+the database. Again, make sure to install the client libraries and the
+respective development headers (if they are packaged separately) as well.
+
+You can find specific, detailed instructions for installing of the
+dependencies (and possibly the rest of the GNUnet installation) in the
+platform-specific descriptions, which can be found in the Index.
+Please consult them now.
+If your distribution is not listed, please study the instructions for
+Debian stable carefully as you try to install the dependencies for your
+own distribution.
+Contributing additional instructions for further platforms is always
+appreciated.
+Please take in mind that operating system development tends to move at
+a rather fast speed. Due to this you should be aware that some of
+the instructionss could be outdated by the time you are reading this.
+If you find a mistake, please tell us about it (or even better: send
+a patch to the documentation to fix it!).
+
+Before proceeding further, please double-check the dependency list.
+Note that in addition to satisfying the dependencies, you might have to
+make sure that development headers for the various libraries are also
+installed.
+There maybe files for other distributions, or you might be able to find
+equivalent packages for your distribution.
+
+While it is possible to build and install GNUnet without having root
+access, we will assume that you have full control over your system in
+these instructions.
+First, you should create a system user @emph{gnunet} and an additional
+group @emph{gnunetdns}. On Debian and Ubuntu GNU/Linux, type:
+
+@example
+# adduser --system --home /var/lib/gnunet --group \
+--disabled-password gnunet
+# addgroup --system gnunetdns
+@end example
+
+@noindent
+On other Unixes, this should have the same effect:
+
+@example
+# useradd --system --groups gnunet --home-dir /var/lib/gnunet
+# addgroup --system gnunetdns
+@end example
+
+Now compile and install GNUnet using:
+
+@example
+$ tar xvf gnunet-0.10.?.tar.gz
+$ cd gnunet-0.10.?
+$ ./configure --with-sudo=sudo --with-nssdir=/lib
+$ make
+$ sudo make install
+@end example
+
+If you want to be able to enable DEBUG-level log messages, add
+@code{--enable-logging=verbose} to the end of the
+@code{./configure} command.
+DEBUG-level log messages are in English-only and should only be useful for
+developers (or for filing really detailed bug reports). 
+
+Finally, you probably want to compile @code{gnunet-gtk}, which
+includes gnunet-setup (graphical tool for configuration)
+and @code{gnunet-fs-gtk} (graphical tool for file-sharing):
+
+@example
+$ tar xvf gnunet-gtk-0.10.?.tar.gz
+$ cd gnunet-gtk-0.10.?
+$ ./configure --with-gnunet=/usr/local/
+$ make
+$ sudo make install
+$ cd ..
+# just to be safe run this:
+$ sudo ldconfig
+@end example
+
+@noindent
+Next, edit the file @file{/etc/gnunet.conf} to contain the following:
+
+@example
+[arm]
+SYSTEM_ONLY = YES
+USER_ONLY = NO
+@end example
+
+@noindent
+You may need to update your ld.so cache to include files installed in
+@file{/usr/local/lib}:
+
+@example
+# ldconfig
+@end example
+
+@noindent
+Then, switch from user root to user gnunet to start the peer:
+
+@example
+# su -s /bin/sh - gnunet
+$ gnunet-arm -c /etc/gnunet.conf -s
+@end example
+
+You may also want to add the last line in the gnunet users @file{crontab}
+prefixed with @code{@@reboot} so that it is executed whenever the system
+is booted:
+
+@example
+@@reboot /usr/local/bin/gnunet-arm -c /etc/gnunet.conf -s@
+@end example
+
+@noindent
+This will only start the system-wide GNUnet services.
+Type exit to get back your root shell.
+Now, you need to configure the per-user part. For each
+$USER on the system, run:
+
+@example
+# adduser $USER gnunet
+@end example
+
+@noindent
+to allow them to access the system-wide GNUnet services. Then, each
+user should create a configuration file @file{~/.config/gnunet.conf}
+with the lines:
+
+@example
+[arm]
+SYSTEM_ONLY = NO
+USER_ONLY = YES
+DEFAULTSERVICES = gns
+@end example
+
+@noindent
+and start the per-user services using
+
+@example
+$ gnunet-arm -c ~/.config/gnunet.conf -s
+@end example
+
+@noindent
+Again, adding a @code{crontab} entry to autostart the peer is advised:
+
+@example
+@@reboot /usr/local/bin/gnunet-arm -c $HOME/.config/gnunet.conf -s
+@end example
+
+@noindent
+Note that some GNUnet services (such as SOCKS5 proxies) may need a
+system-wide TCP port for each user.
+For those services, systems with more than one user may require each user
+to specify a different port number in their personal configuration file.
+
+Finally, the user should perform the basic initial setup for the GNU Name
+System. This is done by running two commands:
+
+@example
+$ gnunet-gns-import.sh
+$ gnunet-gns-proxy-setup-ca
+@end example
+
+@noindent
+The first generates the default zones, wheras the second setups the GNS
+Certificate Authority with the user's browser. Now, to actiave GNS in the
+normal DNS resolution process, you need to edit your
+@file{/etc/nsswitch.conf} where you should find a line like this:
+
+@example
+hosts: files mdns4_minimal [NOTFOUND=return] dns mdns4
+@end example
+
+@noindent
+The exact details may differ a bit, which is fine. Add the text
+@emph{"gns [NOTFOUND=return]"} after @emph{"files"}.
+Keep in mind that we included a backslash ("\") here just for
+markup reasons. You should write the text below on @b{one line}
+and @b{without} the "\":
+
+@example
+hosts: files gns [NOTFOUND=return] mdns4_minimal \
+[NOTFOUND=return] dns mdns4
+@end example
+
+@c FIXME: Document new behavior.
+You might want to make sure that @file{/lib/libnss_gns.so.2} exists on
+your system, it should have been created during the installation. 
+
+@node Build instructions for Ubuntu 12.04 using Git
+@section Build instructions for Ubuntu 12.04 using Git
+
+
+@menu
+* Install the required build tools::
+* Install libgcrypt 1.6 and libgpg-error::
+* Install gnutls with DANE support::
+* Install libgnurl::
+* Install libmicrohttpd from Git::
+* Install libextractor from Git::
+* Install GNUnet dependencies::
+* Build GNUnet::
+* Install the GNUnet-gtk user interface from Git::
+@end menu
+
+@node  Install the required build tools
+@subsection  Install the required build tools
+
+First, make sure Git is installed on your system:
+
+@example
+$ sudo apt-get install git
+@end example
+
+Install the essential buildtools:
+
+@example
+$ sudo apt-get install automake autopoint autoconf libtool
+@end example
+
+@node Install libgcrypt 1.6 and libgpg-error
+@subsection Install libgcrypt 1.6 and libgpg-error
+
+@example
+$ wget ftp://ftp.gnupg.org/gcrypt/libgpg-error/libgpg-error-1.12.tar.bz2
+$ tar xf libgpg-error-1.12.tar.bz2
+$ cd libgpg-error-1.12
+$ ./configure
+$ sudo make install ; cd ..
+@end example
+
+@node Install gnutls with DANE support
+@subsection Install gnutls with DANE support
+
+@example
+$ wget http://www.lysator.liu.se/~nisse/archive/nettle-2.7.1.tar.gz
+$ tar xf nettle-2.7.1.tar.gz
+$ cd nettle-2.7.1
+$ ./configure
+$ sudo make install ; cd ..
+@end example
+
+@example
+$ wget https://www.nlnetlabs.nl/downloads/ldns/ldns-1.6.16.tar.gz
+$ tar xf ldns-1.6.16.tar.gz
+$ cd ldns-1.6.16
+$ ./configure
+$ sudo make install ; cd ..
+@end example
+
+@example
+$ wget https://unbound.net/downloads/unbound-1.4.21.tar.gz
+$ tar xf unbound-1.4.21.tar.gz
+$ cd unbound-1.4.21
+$ ./configure
+$ sudo make install ; cd ..
+@end example
+
+@example
+$ wget ftp://ftp.gnutls.org/gcrypt/gnutls/v3.1/gnutls-3.1.17.tar.xz
+$ tar xf gnutls-3.1.17.tar.xz
+$ cd gnutls-3.1.17
+$ ./configure
+$ sudo make install ; cd ..
+@end example
+
+@example
+$ wget ftp://ftp.gnupg.org/gcrypt/libgcrypt/libgcrypt-1.6.0.tar.bz2
+$ tar xf libgcrypt-1.6.0.tar.bz2
+$ cd libgcrypt-1.6.0
+$ ./configure
+$ sudo make install ; cd ..
+@end example
+
+@node Install libgnurl
+@subsection Install libgnurl
+
+@example
+$ wget https://gnunet.org/sites/default/files/gnurl-7.34.0.tar.bz2
+$ tar xf gnurl-7.34.0.tar.bz2
+$ cd gnurl-7.34.0
+$ ./configure --enable-ipv6 --with-gnutls --without-libssh2 \
+  --without-libmetalink --without-winidn --without-librtmp \
+  --without-nghttp2 --without-nss --without-cyassl \
+  --without-polarssl --without-ssl --without-winssl \
+  --without-darwinssl --disable-sspi --disable-ntlm-wb \
+  --disable-ldap --disable-rtsp --disable-dict --disable-telnet \
+  --disable-tftp --disable-pop3 --disable-imap --disable-smtp \
+  --disable-gopher --disable-file --disable-ftp
+$ sudo make install ; cd ..
+@end example
+
+@node Install libmicrohttpd from Git
+@subsection Install libmicrohttpd from Git
+
+@example
+$ git clone https://gnunet.org/git/libmicrohttpd
+$ cd libmicrohttpd/
+$ ./bootstrap
+$ ./configure
+$ sudo make install ; cd ..
+@end example
+
+@node  Install libextractor from Git
+@subsection  Install libextractor from Git
+
+Install libextractor dependencies:
+
+@example
+$ sudo apt-get install zlib1g-dev libgsf-1-dev libmpeg2-4-dev \
+ libpoppler-dev libvorbis-dev libexiv2-dev libjpeg-dev \
+ libtiff-dev libgif-dev libvorbis-dev libflac-dev libsmf-dev \
+ g++
+@end example
+
+Build libextractor:
+
+@example
+$ git clone https://gnunet.org/git/libextractor
+$ cd libextractor
+$ ./bootstrap
+$ ./configure
+$ sudo make install ; cd ..
+@end example
+
+@node Install GNUnet dependencies
+@subsection Install GNUnet dependencies
+
+@example
+$ sudo apt-get install libidn11-dev libunistring-dev libglpk-dev \
+ libpulse-dev libbluetooth-dev libsqlite-dev
+@end example
+
+Install libopus:
+
+@example
+$ wget http://downloads.xiph.org/releases/opus/opus-1.1.tar.gz
+$ tar xf opus-1.1.tar.gz
+$ cd opus-1.1/
+$ ./configure
+$ sudo make install ; cd ..
+@end example
+
+Choose one or more database backends:
+
+SQLite3:
+@example
+$ sudo apt-get install libsqlite3-dev
+@end example
+MySQL:
+@example
+$ sudo apt-get install libmysqlclient-dev
+@end example
+PostgreSQL:
+@example
+$ sudo apt-get install libpq-dev postgresql
+@end example
+
+
+
+@node Build GNUnet
+@subsection Build GNUnet
+
+
+
+@menu
+* Configuring the installation path::
+* Configuring the system::
+* Installing components requiring sudo permission::
+* Build::
+@end menu
+
+@node Configuring the installation path
+@subsubsection Configuring the installation path
+
+You can specify the location of the GNUnet installation by setting the
+prefix when calling the configure script with @code{--prefix=DIRECTORY}
+
+@example
+$ export PATH=$PATH:DIRECTORY/bin
+@end example
+
+@node Configuring the system
+@subsubsection Configuring the system
+
+Please make sure NOW that you have created a user and group 'gnunet'
+and additionally a group 'gnunetdns':
+
+@example
+$ sudo addgroup gnunet
+$ sudo addgroup gnunetdns
+$ sudo adduser gnunet
+@end example
+
+Each GNUnet user should be added to the 'gnunet' group (may
+require fresh login to come into effect):
+
+@example
+$ sudo useradd -G  gnunet
+@end example
+
+@node Installing components requiring sudo permission
+@subsubsection Installing components requiring sudo permission
+
+Some components, like the nss plugin required for GNS, may require root
+permissions. To allow these few components to be installed use:
+
+@example
+$ ./configure --with-sudo
+@end example
+
+@node Build
+@subsubsection Build
+
+@example
+$ git clone https://gnunet.org/git/gnunet/
+$ cd gnunet/
+$ ./bootstrap
+@end example
+
+Use the required configure call including the optional installation prefix
+PREFIX or the sudo permissions:
+
+@example
+$ ./configure [ --with-sudo | --with-prefix=PREFIX ]
+@end example
+
+@example
+$ make; sudo make install
+@end example
+
+After installing it, you need to create an empty configuration file:
+
+@example
+mkdir ~/.gnunet; touch ~/.gnunet/gnunet.conf
+@end example
+
+And finally you can start GNUnet with:
+
+@example
+$ gnunet-arm -s
+@end example
+
+@node Install the GNUnet-gtk user interface from Git
+@subsection Install the GNUnet-gtk user interface from Git
+
+
+Install depencies:
+
+@example
+$ sudo apt-get install libgtk-3-dev libunique-3.0-dev libgladeui-dev \
+libqrencode-dev
+@end example
+
+To build GNUnet (with an optional prefix)and execute:
+
+@example
+$ git clone https://gnunet.org/git/gnunet-gtk/
+$ cd gnunet-gtk/
+$ ./bootstrap
+$ ./configure [--prefix=PREFIX] --with-gnunet=DIRECTORY
+$ make; sudo make install
+@end example
+
+@node Build Instructions for Microsoft Windows Platforms
+@section Build Instructions for Microsoft Windows Platforms
+
+@menu
+* Introduction to building on MS Windows::
+* Requirements::
+* Dependencies & Initial Setup::
+* GNUnet Installation::
+* Adjusting Windows for running and testing GNUnet::
+* Building the GNUnet Installer::
+* Using GNUnet with Netbeans on Windows::
+@end menu
+
+@node Introduction to building on MS Windows
+@subsection Introduction to building on MS Windows
+
+
+This document is a guide to building GNUnet and its dependencies on
+Windows platforms. GNUnet development is mostly done under GNU/Linux and
+especially git checkouts may not build out of the box.
+We regret any inconvenience, and if you have problems, please report
+them.
+
+@node Requirements
+@subsection Requirements
+
+The Howto is based upon a @strong{Windows Server 2008 32bit}
+@strong{Installation}, @strong{sbuild} and thus a
+@uref{http://www.mingw.org/wiki/MSYS, MSYS+MinGW}
+(W32-GCC-Compiler-Suite + Unix-like Userland) installation. sbuild
+is a convenient set of scripts which creates a working msys/mingw
+installation and installs most dependencies required for GNUnet.
+
+As of the point of the creation of these instructions,
+GNUnet @strong{requires} a Windows @strong{Server} 2003 or
+newer for full feature support.
+Windows Vista and later will also work, but
+@strong{non-server version can not run a VPN-Exit-Node} as the NAT
+features have been removed as of Windows Vista.
+
+@node Dependencies & Initial Setup
+@subsection Dependencies & Initial Setup
+
+
+@itemize @bullet
+
+@item
+Install a fresh version of @strong{Python 2.x}, even if you are using a
+x64-OS, install a 32-bit version for use with sbuild.
+Python 3.0 currently is incompatible.
+
+@item
+Install your favorite @uref{http://code.google.com/p/tortoisegit/, GIT} &
+@uref{http://tortoisesvn.net/, SVN}-clients.
+
+@item
+You will also need some archive-manager like
+@uref{http://www.7-zip.org/, 7zip}.
+
+@item
+Pull a copy of sbuild to a directory of your choice, which will be used
+in the remainder of this guide. For now, we will use
+@file{c:\gnunet\sbuild\}
+
+@item
+in @file{sbuild\src\mingw\mingw32-buildall.sh}, comment out the packages
+@strong{gnunet-svn} and @strong{gnunet-gtk-svn}, as we don't want sbuild
+to compile/install those for us.
+
+@item
+Follow LRN's sbuild installation instructions.-
+@end itemize
+
+Please note that sbuild may (or will most likely) fail during
+installation, thus you really HAVE to @strong{check the logfiles} created
+during the installation process.
+Certain packages may fail to build initially due to missing dependencies,
+thus you may have to
+@strong{substitute those with binary-versions initially}. Later on once
+dependencies are satisfied you can re-build the newer package versions.
+
+@strong{It is normal that you may have to repeat this step multiple times
+and there is no uniform way to fix all compile-time issues, as the
+build-process of many of the dependencies installed are rather unstable
+on win32 and certain releases may not even compile at all.}
+
+Most dependencies for GNUnet have been set up by sbuild, thus we now
+should add the @file{bin/} directories in your new msys and mingw
+installations to PATH. You will want to create a backup of your finished
+msys-environment by now.
+
+@node GNUnet Installation
+@subsection GNUnet Installation
+
+First, we need to launch our msys-shell, you can do this via
+
+@file{C:\gnunet\sbuild\msys\msys.bat}
+
+You might wish to take a look at this file and adjust some
+login-parameters to your msys environment.
+
+Also, sbuild added two pointpoints to your msys-environment, though those
+might remain invisible:
+
+@itemize @bullet
+
+@item
+/mingw, which will mount your mingw-directory from sbuild/mingw and the
+other one is
+
+@item
+/src which contains all the installation sources sbuild just compiled.
+@end itemize
+
+Check out the current GNUnet sources (git HEAD) from the
+GNUnet repository "gnunet.git", we will do this in your home directory:
+
+@code{git clone https://gnunet.org/git/gnunet/ ~/gnunet}
+
+Now, we will first need to bootstrap the checked out installation and then
+configure it accordingly.
+
+@example
+cd ~/gnunet
+./bootstrap
+STRIP=true CPPFLAGS="-DUSE_IPV6=1 -DW32_VEH" CFLAGS="$CFLAGS -g -O2" \
+./configure --prefix=/ --docdir=/share/doc/gnunet \
+--with-libiconv-prefix=/mingw --with-libintl-prefix=/mingw \
+--with-libcurl=/mingw --with-extractor=/mingw --with-sqlite=/mingw \
+--with-microhttpd=/mingw --with-plibc=/mingw --enable-benchmarks \
+--enable-expensivetests --enable-experimental --with-qrencode=/mingw \
+--enable-silent-rules --enable-experimental 2>&1 | tee -a ./configure.log
+@end example
+
+The parameters above will configure for a reasonable GNUnet installation
+to the your msys-root directory.
+Depending on which features your would like to build or you may need to
+specify additional dependencies. Sbuild installed most libs into
+the /mingw subdirectory, so remember to prefix library locations with
+this path.
+
+Like on a unixoid system, you might want to use your home directory as
+prefix for your own GNUnet installation for development, without tainting
+the buildenvironment. Just change the "prefix" parameter to point towards
+~/ in this case.
+
+Now it's time to compile GNUnet as usual. Though this will take some time,
+so you may fetch yourself a coffee or some Mate now...
+
+@example
+make ; make install
+@end example
+
+@node Adjusting Windows for running and testing GNUnet
+@subsection Adjusting Windows for running and testing GNUnet
+
+Assuming the build succeeded and you
+@strong{added the bin directory of your GNUnet to PATH}, you can now use
+your gnunet-installation as usual.
+Remember that UAC or the windows firewall may popup initially, blocking
+further execution of gnunet until you acknowledge them.
+
+You will also have to take the usual steps to get peer-to-peer (p2p)
+software running properly (port forwarding, ...),
+and GNUnet will require administrative permissions as it may even
+install a device-driver (in case you are using gnunet-vpn and/or
+gnunet-exit).
+
+@node Building the GNUnet Installer
+@subsection Building the GNUnet Installer
+
+The GNUnet installer is made with
+@uref{http://nsis.sourceforge.net/, NSIS}.
+The installer script is located in @file{contrib\win} in the
+GNUnet source tree.
+
+@node Using GNUnet with Netbeans on Windows
+@subsection Using GNUnet with Netbeans on Windows
+
+TODO
+
+@node Build instructions for Debian 7.5
+@section Build instructions for Debian 7.5
+
+
+These are the installation instructions for Debian 7.5. They were tested
+using a minimal, fresh Debian 7.5 AMD64 installation without non-free
+software (no contrib or non-free).
+By "minimal", we mean that during installation, we did not select any
+desktop environment, servers or system utilities during the "tasksel"
+step. Note that the packages and the dependencies that we will install
+during this chapter take about 1.5 GB of disk space.
+Combined with GNUnet and space for objects during compilation, you should
+not even attempt this unless you have about 2.5 GB free after the minimal
+Debian installation.
+Using these instructions to build a VM image is likely to require a
+minimum of 4-5 GB for the VM (as you will likely also want a desktop
+manager).
+
+GNUnet's security model assumes that your @file{/home} directory is
+encrypted. Thus, if possible, you should encrypt your home partition
+(or per-user home directory).
+
+Naturally, the exact details of the starting state for your installation
+should not matter much. For example, if you selected any of those
+installation groups you might simply already have some of the necessary
+packages installed.
+We did this for testing, as this way we are less likely to forget to
+mention a required package.
+Note that we will not install a desktop environment, but of course you
+will need to install one to use GNUnet's graphical user interfaces.
+Thus, it is suggested that you simply install the desktop environment of
+your choice before beginning with the instructions.
+
+
+
+@menu
+* Update::
+* Stable? Hah!::
+* Update again::
+* Installing packages::
+* Installing dependencies from source::
+* Installing GNUnet from source::
+* But wait there is more!::
+@end menu
+
+@node Update
+@subsection Update
+
+After any installation, you should begin by running
+
+@example
+# apt-get update ; apt-get upgrade
+@end example
+
+to ensure that all of your packages are up-to-date. Note that the "#" is
+used to indicate that you need to type in this command as "root"
+(or prefix with "sudo"), whereas "$" is used to indicate typing in a
+command as a normal user.
+
+@node Stable? Hah!
+@subsection Stable? Hah!
+
+Yes, we said we start with a Debian 7.5 "stable" system. However, to
+reduce the amount of compilation by hand, we will begin by allowing the
+installation of packages from the testing and unstable distributions as
+well.
+We will stick to "stable" packages where possible, but some packages will
+be taken from the other distributions.
+Start by modifying @file{/etc/apt/sources.list} to contain the
+following (possibly adjusted to point to your mirror of choice):
+
+@example
+# These were there before:
+deb http://ftp.de.debian.org/debian/ wheezy main
+deb-src http://ftp.de.debian.org/debian/ wheezy main
+deb http://security.debian.org/ wheezy/updates main
+deb-src http://security.debian.org/ wheezy/updates main
+deb http://ftp.de.debian.org/debian/ wheezy-updates main
+deb-src http://ftp.de.debian.org/debian/ wheezy-updates main
+
+# Add these lines (feel free to adjust the mirror):
+deb http://ftp.de.debian.org/debian/ testing main
+deb http://ftp.de.debian.org/debian/ unstable main
+@end example
+
+The next step is to create/edit your @file{/etc/apt/preferences}
+file to look like this:
+
+@example
+Package: *
+Pin: release a=stable,n=wheezy
+Pin-Priority: 700
+
+Package: *
+Pin: release o=Debian,a=testing
+Pin-Priority: 650
+
+Package: *
+Pin: release o=Debian,a=unstable
+Pin-Priority: 600
+@end example
+
+You can read more about Apt Preferences here and here.
+Note that other pinnings are likely to also work for GNUnet, the key
+thing is that you need some packages from unstable (as shown below).
+However, as unstable is unlikely to be comprehensive (missing packages)
+or might be problematic (crashing packages), you probably want others
+from stable and/or testing.
+
+@node Update again
+@subsection Update again
+
+Now, run again@
+
+@example
+# apt-get update@
+# apt-get upgrade@
+@end example
+
+to ensure that all your new distribution indices are downloaded, and
+that your pinning is correct: the upgrade step should cause no changes
+at all.
+
+@node Installing packages
+@subsection Installing packages
+
+We begin by installing a few Debian packages from stable:@
+
+@example
+# apt-get install gcc make python-zbar libltdl-dev libsqlite3-dev \
+  libunistring-dev libopus-dev libpulse-dev openssl libglpk-dev \
+  texlive libidn11-dev libmysqlclient-dev libpq-dev libarchive-dev \
+  libbz2-dev libexiv2-dev libflac-dev libgif-dev libglib2.0-dev \
+  libgtk-3-dev libmagic-dev libjpeg8-dev libmpeg2-4-dev libmp4v2-dev \
+  librpm-dev libsmf-dev libtidy-dev libtiff5-dev libvorbis-dev \
+  libogg-dev zlib1g-dev g++ gettext libgsf-1-dev libunbound-dev \
+  libqrencode-dev libgladeui-dev nasm texlive-latex-extra \
+  libunique-3.0-dev gawk miniupnpc libfuse-dev libbluetooth-dev
+@end example
+
+After that, we install a few more packages from unstable:@
+
+@example
+# apt-get install -t unstable nettle-dev libgstreamer1.0-dev \
+  gstreamer1.0-plugins-base gstreamer1.0-plugins-good \
+  libgstreamer-plugins-base1.0-dev
+@end example
+
+@node Installing dependencies from source
+@subsection Installing dependencies from source
+
+Next, we need to install a few dependencies from source.
+You might want to do this as a "normal" user and only run the
+@code{make install} steps as root (hence the @code{sudo} in the
+commands below). Also, you do this from any
+directory. We begin by downloading all dependencies, then extracting the
+sources, and finally compiling and installing the libraries:@
+
+@example
+$ wget https://libav.org/releases/libav-9.10.tar.xz
+$ wget http://ftp.gnu.org/gnu/libextractor/libextractor-1.3.tar.gz
+$ wget ftp://ftp.gnupg.org/gcrypt/libgpg-error/libgpg-error-1.12.tar.bz2
+$ wget ftp://ftp.gnupg.org/gcrypt/libgcrypt/libgcrypt-1.6.0.tar.bz2
+$ wget ftp://ftp.gnutls.org/gcrypt/gnutls/v3.2/gnutls-3.2.7.tar.xz
+$ wget http://ftp.gnu.org/gnu/libmicrohttpd/libmicrohttpd-0.9.33.tar.gz
+$ wget https://gnunet.org/sites/default/files/gnurl-7.34.0.tar.bz2
+$ tar xvf libextractor-1.3.tar.gz
+$ tar xvf libgpg-error-1.12.tar.bz2
+$ tar xvf libgcrypt-1.6.0.tar.bz2
+$ tar xvf gnutls-3.2.7.tar.xz
+$ tar xvf libmicrohttpd-0.9.33.tar.gz
+$ tar xvf gnurl-7.34.0.tar.bz2
+$ cd libav-0.9 ; ./configure --enable-shared;
+$ make; sudo make install; cd ..
+$ cd libextractor-1.3 ; ./configure;
+$ make ; sudo make install; cd ..
+$ cd libgpg-error-1.12; ./configure;
+$ make ; sudo make install; cd ..
+$ cd libgcrypt-1.6.0; ./configure --with-gpg-error-prefix=/usr/local;
+$ make ; sudo make install ; cd ..
+$ cd gnutls-3.2.7 ; ./configure;
+$ make ; sudo make install ; cd ..
+$ cd libmicrohttpd-0.9.33; ./configure;
+$ make ; sudo make install ; cd ..
+$ cd gnurl-7.34.0
+$ ./configure --enable-ipv6 --with-gnutls=/usr/local --without-libssh2 \
+ --without-libmetalink --without-winidn --without-librtmp \
+ --without-nghttp2 --without-nss --without-cyassl --without-polarssl \
+ --without-ssl --without-winssl --without-darwinssl --disable-sspi \
+ --disable-ntlm-wb --disable-ldap --disable-rtsp --disable-dict \
+ --disable-telnet --disable-tftp --disable-pop3 --disable-imap \
+ --disable-smtp --disable-gopher --disable-file --disable-ftp
+$ make ; sudo make install; cd ..
+@end example
+
+@node Installing GNUnet from source
+@subsection Installing GNUnet from source
+
+
+For this, simply follow the generic installation instructions from
+here.
+
+@node But wait there is more!
+@subsection But wait there is more!
+
+So far, we installed all of the packages and dependencies required to
+ensure that all of GNUnet would be built.
+However, while for example the plugins to interact with the MySQL or
+Postgres databases have been created, we did not actually install or
+configure those databases. Thus, you will need to install
+and configure those databases or stick with the default Sqlite database.
+Sqlite is usually fine for most applications, but MySQL can offer better
+performance and Postgres better resillience.
+
+
+@node Installing GNUnet from Git on Ubuntu 14.4
+@section Installing GNUnet from Git on Ubuntu 14.4
+
+@strong{Install the required build tools:}
+
+@example
+$ sudo apt-get install git automake autopoint autoconf
+@end example
+
+@strong{Install the required dependencies}
+
+@example
+$ sudo apt-get install libltdl-dev libgpg-error-dev libidn11-dev \
+ libunistring-dev libglpk-dev libbluetooth-dev libextractor-dev \
+ libmicrohttpd-dev libgnutls28-dev
+@end example
+
+@strong{Choose one or more database backends}
+
+@itemize @bullet
+
+@item SQLite3:
+
+@example
+$ sudo apt-get install libsqlite3-dev
+@end example
+
+@item MySQL:
+
+@example
+$ sudo apt-get install libmysqlclient-dev
+@end example
+
+@item PostgreSQL:
+
+@example
+$ sudo apt-get install libpq-dev postgresql
+@end example
+
+@end itemize
+
+@strong{Install the optional dependencies for gnunet-conversation:}
+
+@example
+$ sudo apt-get install gstreamer1.0 libpulse-dev libopus-dev
+@end example
+
+@strong{Install the libgrypt 1.6.1:}
+
+@itemize @bullet
+
+@item For Ubuntu 14.04:
+
+@example
+$ sudo apt-get install libgcrypt20-dev
+@end example
+
+@item For Ubuntu older 14.04:
+
+@example
+$ wget ftp://ftp.gnupg.org/gcrypt/libgcrypt/libgcrypt-1.6.1.tar.bz2
+$ tar xf libgcrypt-1.6.1.tar.bz2
+$ cd libgcrypt-1.6.1
+$ ./configure
+$ sudo make install
+$ cd ..
+@end example
+
+@end itemize
+
+@strong{Install libgnurl}
+
+@example
+$ wget https://gnunet.org/sites/default/files/gnurl-7.35.0.tar.bz2
+$ tar xf gnurl-7.35.0.tar.bz2
+$ cd gnurl-7.35.0
+$ ./configure --enable-ipv6 --with-gnutls --without-libssh2 \
+ --without-libmetalink --without-winidn --without-librtmp \
+ --without-nghttp2 --without-nss --without-cyassl --without-polarssl \
+ --without-ssl --without-winssl --without-darwinssl --disable-sspi \
+ --disable-ntlm-wb --disable-ldap --disable-rtsp --disable-dict \
+ --disable-telnet --disable-tftp --disable-pop3 --disable-imap \
+ --disable-smtp --disable-gopher --disable-file --disable-ftp
+$ sudo make install
+$ cd ..
+@end example
+
+@strong{Install GNUnet}
+
+@example
+$ git clone https://gnunet.org/git/gnunet/
+$ cd gnunet/
+$ ./bootstrap
+@end example
+
+If you want to:
+
+@itemize @bullet
+
+@item Install to a different directory:
+
+@example
+--prefix=PREFIX
+@end example
+
+@item
+Have sudo permission, but do not want to compile as root:
+
+@example
+--with-sudo
+@end example
+
+@item
+Want debug message enabled:
+
+@example
+--enable-logging=verbose
+@end example
+
+@end itemize
+
+
+@example
+$ ./configure [ --with-sudo | --prefix=PREFIX | --enable-logging=verbose]
+$ make; sudo make install
+@end example
+
+After installing it, you need to create an empty configuration file:
+
+@example
+touch ~/.config/gnunet.conf
+@end example
+
+And finally you can start GNUnet with
+
+@example
+$ gnunet-arm -s
+@end example
+
+@node Build instructions for Debian 8
+@section Build instructions for Debian 8
+@c FIXME: I -> we
+
+These are the installation instructions for Debian 8. They were tested
+sing a fresh Debian 8 AMD64 installation without non-free software (no
+contrib or non-free). During installation, I only selected "lxde" for the
+desktop environment.
+Note that the packages and the dependencies that we will install during
+this chapter take about 1.5 GB of disk space. Combined with GNUnet and
+space for objects during compilation, you should not even attempt this
+unless you have about 2.5 GB free after the Debian installation.
+Using these instructions to build a VM image is likely to require a
+minimum of 4-5 GB for the VM (as you will likely also want a desktop
+manager).
+
+GNUnet's security model assumes that your @code{/home} directory is
+encrypted.
+Thus, if possible, you should encrypt your entire disk, or at least just
+your home partition (or per-user home directory).
+
+Naturally, the exact details of the starting state for your installation
+should not matter much.
+For example, if you selected any of those installation groups you might
+simply already have some of the necessary packages installed. Thus, it is
+suggested that you simply install the desktop environment of your choice
+before beginning with the instructions.
+
+
+@menu
+* Update Debian::
+* Installing Debian Packages::
+* Installing Dependencies from Source2::
+* Installing GNUnet from Source2::
+* But wait (again) there is more!::
+@end menu
+
+@node Update Debian
+@subsection Update Debian
+
+After any installation, you should begin by running
+
+@example
+# apt-get update
+# apt-get upgrade
+@end example
+
+to ensure that all of your packages are up-to-date. Note that the "#" is
+used to indicate that you need to type in this command as "root" (or
+prefix with "sudo"), whereas "$" is used to indicate typing in a command
+as a normal user.
+
+@node Installing Debian Packages
+@subsection Installing Debian Packages
+
+We begin by installing a few Debian packages from stable:
+
+@example
+# apt-get install gcc make python-zbar libltdl-dev libsqlite3-dev \ 
+libunistring-dev libopus-dev libpulse-dev openssl libglpk-dev texlive \
+libidn11-dev libmysqlclient-dev libpq-dev libarchive-dev libbz2-dev \
+libflac-dev libgif-dev libglib2.0-dev libgtk-3-dev libmpeg2-4-dev \
+libtidy-dev libvorbis-dev libogg-dev zlib1g-dev g++ gettext \
+libgsf-1-dev libunbound-dev libqrencode-dev libgladeui-dev nasm \
+texlive-latex-extra libunique-3.0-dev gawk miniupnpc libfuse-dev \
+libbluetooth-dev gstreamer1.0-plugins-base gstreamer1.0-plugins-good \
+libgstreamer-plugins-base1.0-dev nettle-dev libextractor-dev \
+libgcrypt20-dev libmicrohttpd-dev
+@end example
+
+@node Installing Dependencies from Source2
+@subsection Installing Dependencies from Source2
+
+Yes, we said we start with a Debian 8 "stable" system, but because Debian
+linked GnuTLS without support for DANE, we need to compile a few things,
+in addition to GNUnet, still by hand. Yes, you can run GNUnet using the
+respective Debian packages, but then you will not get DANE support.
+
+Next, we need to install a few dependencies from source. You might want
+to do this as a "normal" user and only run the @code{make install} steps
+as root (hence the @code{sudo} in the commands below). Also, you do this
+from any directory. We begin by downloading all dependencies, then
+extracting the sources, and finally compiling and installing the
+libraries:
+
+@example
+$ wget ftp://ftp.gnutls.org/gcrypt/gnutls/v3.3/gnutls-3.3.12.tar.xz
+$ wget https://gnunet.org/sites/default/files/gnurl-7.40.0.tar.bz2
+$ tar xvf gnutls-3.3.12.tar.xz
+$ tar xvf gnurl-7.40.0.tar.bz2
+$ cd gnutls-3.3.12 ; ./configure ; make ; sudo make install ; cd ..
+$ cd gnurl-7.40.0
+$ ./configure --enable-ipv6 --with-gnutls=/usr/local --without-libssh2 \
+--without-libmetalink --without-winidn --without-librtmp \
+--without-nghttp2 --without-nss --without-cyassl --without-polarssl \
+--without-ssl --without-winssl --without-darwinssl --disable-sspi \
+--disable-ntlm-wb --disable-ldap --disable-rtsp --disable-dict \
+--disable-telnet --disable-tftp --disable-pop3 --disable-imap \
+--disable-smtp --disable-gopher --disable-file --disable-ftp \
+--disable-smb
+$ make ; sudo make install; cd ..
+@end example
+
+@node Installing GNUnet from Source2
+@subsection Installing GNUnet from Source2
+
+For this, simply follow the generic installation instructions from@
+here.
+
+@node But wait (again) there is more!
+@subsection But wait (again) there is more!
+
+So far, we installed all of the packages and dependencies required to
+ensure that all of GNUnet would be built. However, while for example the
+plugins to interact with the MySQL or Postgres databases have been
+created, we did not actually install or configure those databases.
+Thus, you will need to install and configure those databases or stick
+with the default Sqlite database. Sqlite is usually fine for most
+applications, but MySQL can offer better performance and Postgres better
+resillience.
+
+@node Outdated build instructions for previous revisions
+@section Outdated build instructions for previous revisions
+
+This chapter contains a collection of outdated, older installation guides.
+They are mostly intended to serve as a starting point for writing
+up-to-date instructions and should not be expected to work for
+GNUnet 0.10.x.
+A set of older installation instructions can also be found in the
+file @file{doc/outdated-and-old-installation-instructions.txt} in the
+source tree of GNUnet.
+
+This file covers old instructions which no longer receive security
+updates or any kind of support.
+
+@menu
+* Installing GNUnet 0.10.1 on Ubuntu 14.04::
+* Building GLPK for MinGW::
+* GUI build instructions for Ubuntu 12.04 using Subversion::
+@c * Installation with gnunet-update::
+* Instructions for Microsoft Windows Platforms (Old)::
+@end menu
+
+
+@node Installing GNUnet 0.10.1 on Ubuntu 14.04
+@subsection Installing GNUnet 0.10.1 on Ubuntu 14.04
+
+Install the required dependencies:
+
+@example
+$ sudo apt-get install libltdl-dev libgpg-error-dev libidn11-dev \
+ libunistring-dev libglpk-dev libbluetooth-dev libextractor-dev \
+ libmicrohttpd-dev libgnutls28-dev
+@end example
+
+Choose one or more database backends:
+
+@itemize @bullet
+
+@item SQLite3
+
+@example
+ $ sudo apt-get install libsqlite3-dev@
+@end example
+
+@item MySQL
+
+@example
+$ sudo apt-get install libmysqlclient-dev@
+@end example
+
+@item PostgreSQL
+
+@example
+ $ sudo apt-get install libpq-dev postgresql@
+@end example
+
+@end itemize
+
+Install the optional dependencies for gnunet-conversation:
+
+@example
+ $ sudo apt-get install gstreamer1.0 libpulse-dev libopus-dev
+@end example
+
+Install libgcrypt 1.6:
+
+@itemize @bullet
+
+@item For Ubuntu 14.04:
+
+@example
+$ sudo apt-get install libgcrypt20-dev
+@end example
+
+@item For Ubuntu older than 14.04:
+
+@example
+wget ftp://ftp.gnupg.org/gcrypt/libgcrypt/libgcrypt-1.6.1.tar.bz2
+$ tar xf libgcrypt-1.6.1.tar.bz2
+$ cd libgcrypt-1.6.1
+$ ./configure
+$ sudo make install
+$ cd ..
+@end example
+@end itemize
+
+Install libgnurl:
+
+@example
+$ wget https://gnunet.org/sites/default/files/gnurl-7.35.0.tar.bz2
+$ tar xf gnurl-7.35.0.tar.bz2
+$ cd gnurl-7.35.0
+$ ./configure --enable-ipv6 --with-gnutls --without-libssh2 \
+--without-libmetalink --without-winidn --without-librtmp
+--without-nghttp2 --without-nss --without-cyassl --without-polarssl \
+--without-ssl --without-winssl --without-darwinssl --disable-sspi \
+--disable-ntlm-wb --disable-ldap --disable-rtsp --disable-dict \
+--disable-telnet --disable-tftp --disable-pop3 --disable-imap \
+--disable-smtp --disable-gopher --disable-file --disable-ftp
+$ sudo make install@
+$ cd ..@
+@end example
+
+Install GNUnet:
+
+@example
+$ wget http://ftpmirror.gnu.org/gnunet/gnunet-0.10.1.tar.gz
+$ tar xf gnunet-0.10.1.tar.gz
+$ cd gnunet-0.10.1
+@end example
+
+If you want to:
+
+@itemize @bullet
+
+@item
+Install to a different directory:
+
+@example
+--prefix=PREFIX
+@end example
+
+@item
+Have sudo permission, but do not want to compile as root:
+
+@example
+--with-sudo
+@end example
+
+@item
+Want debug message enabled:
+
+@example
+--enable-logging=verbose
+@end example
+
+@end itemize
+
+@example
+$ ./configure [ --with-sudo | --prefix=PREFIX | --enable-logging=verbose]
+$ make; sudo make install
+@end example
+
+After installing it, you need to create an empty configuration file:
+
+@example
+touch ~/.config/gnunet.conf
+@end example
+
+And finally you can start GNUnet with
+
+@example
+$ gnunet-arm -s
+@end example
+
+@node Building GLPK for MinGW
+@subsection Building GLPK for MinGW
+
+GNUnet now requires the GNU Linear Programming Kit (GLPK).
+Since there's is no package you can install with @code{mingw-get} you
+have to compile it from source:
+
+@itemize @bullet
+
+@item Download the latest version from
+@uref{http://ftp.gnu.org/gnu/glpk/}
+
+@item Unzip the downloaded source tarball using your favourite
+unzipper application In the MSYS shell
+
+@item change to the respective directory 
+
+@item Configure glpk for "i686-pc-mingw32":
+
+@example
+./configure '--build=i686-pc-mingw32'
+@end example
+
+@item run
+
+@example
+make install check
+@end example
+
+@end itemize
+
+MinGW does not automatically detect the correct buildtype so you have to
+specify it manually.
+
+
+@node GUI build instructions for Ubuntu 12.04 using Subversion
+@subsection GUI build instructions for Ubuntu 12.04 using Subversion
+
+After installing GNUnet you can continue installing the GNUnet GUI tools:
+
+First, install the required dependencies:
+
+@example
+$ sudo apt-get install libgladeui-dev libqrencode-dev
+@end example
+
+Please ensure that the GNUnet shared libraries can be found by the linker.
+If you installed GNUnet libraries in a non standard path
+(say GNUNET_PREFIX=/usr/local/lib/), you can
+
+@itemize @bullet
+
+@item set the environmental variable permanently to:
+
+@example
+LD_LIBRARY_PATH=$GNUNET_PREFIX
+@end example
+
+@item or add @code{$GNUNET_PREFIX} to @file{/etc/ld.so.conf}
+
+@end itemize
+
+Now you can checkout and compile the GNUnet GUI tools:
+
+@example
+$ git clone https://gnunet.org/git/gnunet-gtk
+$ cd gnunet-gtk
+$ ./bootstrap
+$ ./configure --prefix=$GNUNET_PREFIX/.. --with-gnunet=$GNUNET_PREFIX/..
+$ make install
+@end example
+
+@c @node Installation with gnunet-update
+@c @subsection Installation with gnunet-update
+
+@c gnunet-update project is an effort to introduce updates to GNUnet
+@c installations. An interesting to-be-implemented-feature of gnunet-update
+@c is that these updates are propagated through GNUnet's peer-to-peer
+@c network. More information about gnunet-update can be found at
+@c @c FIXME: Use correct cgit URL
+@c @uref{https://gnunet.org/git/gnunet-update.git/tree/plain/README}.
+
+@c While the project is still under development, we have implemented the
+@c following features which we believe may be helpful for users and we
+@c would like them to be tested:
+
+@c @itemize @bullet
+
+@c @item
+@c Packaging GNUnet installation along with its run-time dependencies into
+@c update packages
+
+@c @item
+@c Installing update packages into compatible hosts
+
+@c @item
+@c Updating an existing installation (which had been installed by
+@c gnunet-update) to a newer one
+
+@c @end itemize
+
+@c The above said features of gnunet-update are currently available for
+@c testing on GNU/Linux systems.
+
+@c The following is a guide to help you get started with gnunet-update.
+@c It shows you how to install the testing binary packages of GNUnet
+@c 0.9.1 we have at @uref{https://gnunet.org/install/}.
+
+@c gnunet-update needs the following dependencies:
+
+@c @itemize @bullet
+@c @item
+@c python @geq{} 2.6
+
+@c @item
+@c gnupg
+
+@c @item
+@c python-gpgme
+@c @end itemize
+
+
+@c Checkout gnunet-update:
+
+@c @c FIXME: git!
+@c @example
+@c $ svn checkout -r24905 https://gnunet.org/svn/gnunet-update@
+@c @end example
+
+@c For security reasons, all packages released for gnunet-update from us are
+@c signed with the key at @uref{https://gnunet.org/install/key.txt}.
+@c You would need to import this key into your gpg key ring.
+@c gnunet-update uses this key to verify the integrity of the packages it
+@c installs:
+
+@c @example
+@c $ gpg --recv-keys 7C613D78@
+@c @end example
+
+@c Download the packages relevant to your architecture (currently I have
+@c access to GNU/Linux machines on x86_64 and i686, so only two for now,
+@c hopefully more later) from https://gnunet.org/install/.
+
+@c To install the downloaded package into the directory /foo:
+
+@c @example
+@c gnunet-update/bin/gnunet-update install downloaded/package /foo
+@c @end example
+
+@c The installer reports the directories into which shared libraries and
+@c dependencies have been installed. You may need to add the reported shared
+@c library installation paths to LD_LIBRARY_PATH before you start running any
+@c installed binaries.
+
+@c Please report bugs at https://gnunet.org/bugs/ under the project
+@c 'gnunet-update'.
+
+@node Instructions for Microsoft Windows Platforms (Old)
+@subsection Instructions for Microsoft Windows Platforms (Old)
+
+This document is a @b{DEPRECATED} installation guide for GNUnet on
+Windows.
+It will not work for recent GNUnet versions, but maybe it will be of
+some use if problems arise. 
+
+The Windows build uses a UNIX emulator for Windows,
+@uref{http://www.mingw.org/, MinGW}, to build the executable modules.
+These modules run natively on Windows and do not require additional
+emulation software besides the usual dependencies.
+
+GNUnet development is mostly done under GNU/Linux and especially git
+checkouts may not build out of the box.
+We regret any inconvenience, and if you have problems, please report them.
+
+@menu
+* Hardware and OS requirements::
+* Software installation::
+* Building libextractor and GNUnet::
+* Installer::
+* Source::
+@end menu
+     
+@node Hardware and OS requirements
+@subsubsection Hardware and OS requirements
+
+@itemize @bullet
+
+@item Pentium II or equivalent processor, @geq{} 350 MHz
+
+@item 128 MB RAM
+
+@item 600 MB free disk space
+
+@item Windows 2000 or Windows XP are recommended
+
+@end itemize
+
+@node Software installation
+@subsubsection Software installation
+
+@itemize @bullet
+
+@item
+@strong{Compression software}@
+
+The software packages GNUnet depends on are usually compressed using UNIX
+tools like @command{tar}, @command{gzip}, @command{xzip} and
+@command{bzip2}.
+If you do not already have an utility that is able to extract such
+archives, get @uref{http://www.7-zip.org/, 7-Zip}.
+
+@item
+@strong{UNIX environment}@
+
+The MinGW project provides the compiler toolchain that is used to build
+GNUnet.
+Get the following packages from the
+@uref{http://sourceforge.net/projects/mingw/files/, MinGW} project:
+
+@itemize @bullet
+
+@item GCC core
+@item GCC g++
+@item MSYS
+@item MSYS Developer Tool Kit (msysDTK)
+@item MSYS Developer Tool Kit - msys-autoconf (bin)
+@item MSYS Developer Tool Kit - msys-automake (bin)
+@item MinGW Runtime
+@item MinGW Utilities
+@item Windows API
+@item Binutils
+@item make
+@item pdcurses
+@item GDB (snapshot)
+@end itemize
+
+@itemize @bullet
+
+
+@item Install MSYS (to c:\mingw, for example.)@
+Do @strong{not} use spaces in the pathname.
+For example, avoid a location such as @file{c:\program files\mingw}.
+
+@item Install MinGW runtime, utilities and GCC to a subdirectory
+(to @file{c:\mingw\mingw}, for example)
+
+@item Install the Development Kit to the MSYS directory
+(@file{c:\mingw})
+
+@item Create a batch file bash.bat in your MSYS directory with
+the files:
+
+@example
+bin\sh.exe --login
+@end example
+
+This batch file opens a shell which is used to invoke the build
+processes.
+MinGW's standard shell (@command{msys.bat}) is not suitable
+because it opens a separate console window.
+On Vista, @command{bash.bat} needs to be run as Administrator. 
+
+@item
+Start @command{bash.sh} and rename
+@file{c:\mingw\mingw\lib\libstdc++.la} to avoid problems:
+
+@example
+mv /usr/mingw/lib/libstdc++.la /usr/mingw/lib/libstdc++.la.broken
+@end example
+
+@item
+Unpack the Windows API to the MinGW directory (@file{c:\mingw\mingw\}) and
+remove the declaration of DATADIR from
+(@file{c:\mingw\mingw\include\objidl.h} (lines 55-58)
+
+@item
+Unpack autoconf, automake to the MSYS directory (@file{c:\mingw})
+
+@item
+Install all other packages to the MinGW directory (@file{c:\mingw\mingw\})
+@end itemize
+
+
+@item @strong{GNU Libtool}@
+GNU Libtool is required to use shared libraries.
+Get the prebuilt package from here and unpack it to the
+MinGW directory (@file{c:\mingw})
+
+@item @strong{Pthreads}@
+GNUnet uses the portable POSIX thread library for multi-threading:
+
+@itemize @bullet
+
+@item Save
+@uref{ftp://sources.redhat.com/pub/pthreads-win32/dll-latest/lib/x86/libpthreadGC2.a, libpthreadGC2.a}
+(x86) or
+@uref{ftp://sources.redhat.com/pub/pthreads-win32/dll-latest/lib/x64/libpthreadGC2.a, libpthreadGC2.a}
+(x64) as libpthread.a into the @file{lib}
+directory (@file{c:\mingw\mingw\lib\libpthread.a}).
+
+@item Save
+@uref{ftp://sources.redhat.com/pub/pthreads-win32/dll-latest/lib/x86/pthreadGC2.dll, pthreadGC2.dll}
+(x86) or
+@uref{ftp://sources.redhat.com/pub/pthreads-win32/dll-latest/lib/x64/pthreadGC2.dll, libpthreadGC2.a}
+(x64) into the MinGW @file{bin} directory (@file{c:\mingw\mingw\bin}).
+
+@item Download all header files from
+@uref{ftp://sources.redhat.com/pub/pthreads-win32/dll-latest/include/, include/}
+to the @file{include} directory (@file{c:\mingw\mingw\include}).
+@end itemize
+
+
+@item @strong{GNU MP}@
+GNUnet uses the GNU Multiple Precision library for special cryptographic
+operations. Get the GMP binary package from the
+@uref{http://sourceforge.net/projects/mingwrep/, MinGW repository} and
+unpack it to the MinGW directory (@file{c:\mingw\mingw})
+
+@item @strong{GNU Gettext}@
+GNU gettext is used to provide national language support.
+Get the prebuilt package from hereand unpack it to the MinGW
+directory (@file{c:\mingw\mingw})
+
+@item @strong{GNU iconv}@
+GNU Libiconv is used for character encoding conversion.
+Get the prebuilt package from here and unpack it to the MinGW
+directory (@file{c:\mingw\mingw}).
+
+@item @strong{SQLite}@
+GNUnet uses the SQLite database to store data.
+Get the prebuilt binary from here and unpack it to your MinGW directory. 
+
+@item @strong{MySQL}@
+As an alternative to SQLite, GNUnet also supports MySQL.
+
+@itemize @bullet
+
+@item Get the binary installer from the
+@uref{http://dev.mysql.com/downloads/mysql/4.1.html#Windows, MySQL project}
+(version 4.1), install it and follow the instructions in
+@file{README.mysql}.
+
+@item  Create a temporary build directory (@file{c:\mysql})
+
+@item Copy the directories @file{include\} and @file{lib\} from the
+MySQL directory to the new directory
+
+@item Get the patches from
+@uref{http://bugs.mysql.com/bug.php?id=8906&files=1, Bug #8906} and
+@uref{http://bugs.mysql.com/bug.php?id=8872&files=1, Bug #8872} (the
+latter is only required for MySQL
+
+@example
+patch -p 0
+@end example
+
+@item Move @file{lib\opt\libmysql.dll} to @file{lib\libmysql.dll}
+
+@item  Change to @file{lib\} and create an import library:
+
+@example
+dlltool --input-def ../include/libmySQL.def \
+--dllname libmysql.dll \
+--output-lib libmysqlclient.a -k
+@end example
+
+@item  Copy include\* to include\mysql\ 
+
+@item  Pass "@code{--with-mysql=/c/mysql}" to
+@command{./configure} and copy @file{libmysql.dll}
+to your PATH or GNUnet's @file{bin} directory
+@end itemize
+
+
+@item @strong{GTK+}@
+@command{gnunet-gtk} and @command{libextractor} depend on GTK.
+Get the the binary and developer packages of @command{atk},
+@command{glib}, @command{gtk}, @command{iconv},
+@command{gettext-runtime}, @command{pango} from
+@uref{ftp://ftp.gtk.org/pub/gtk/v2.6/win32, gtk.org} and unpack them
+to the MinGW directory (@file{c:\mingw\mingw}).
+@c FIXME: The URL below for pkg-config seems wrong.
+Get @uref{http://www.gtk.org/download/win32.php, pkg-config} and
+@command{libpng} and unpack them to the MinGW directory
+(@file{c:\mingw\mingw}).
+Here is an all-in-one package for the
+@uref{http://ftp.gnome.org/pub/gnome/binaries/win32/gtk+/2.24/gtk+-bundle_2.24.10-20120208_win32.zip, gtk+dependencies}
+. Do not overwrite any existing files!
+
+@item @strong{Glade}@
+@command{gnunet-gtk} and @command{gnunet-setup} were created using
+this interface builder
+
+@itemize @bullet
+
+@item Get the Glade and libglade (-bin and -devel) packages
+(without GTK!) from
+@uref{http://gladewin32.sourceforge.net/, GladeWin32} and unpack them to
+the MinGW directory (@file{c:\mingw\mingw}).
+
+@item Get @command{libxml} from here and unpack it to the MinGW
+directory (@file{c:\mingw\mingw}).
+@end itemize
+
+@c FIXME: URLs
+@item @strong{zLib}@
+@command{libextractor} requires @command{zLib} to decompress some file
+formats. GNUnet uses it to (de)compress meta-data.
+Get zLib from here (Signature) and unpack it to the MinGW directory
+(@file{c:\mingw\mingw}).
+
+@item @strong{Bzip2}@
+@command{libextractor} also requires @command{Bzip2} to
+decompress some file formats.
+Get the Bzip2 (binary and developer package) from
+@uref{http://gnuwin32.sourceforge.net/packages/bzip2.htm, GnuWin32} and
+unpack it to the MinGW directory (@file{c:\mingw\mingw}).
+
+@item @strong{Libgcrypt}@
+@command{Libgcrypt} provides the cryptographic functions used by GNUnet.
+Get Libgcrypt from @uref{ftp://ftp.gnupg.org/gcrypt/libgcrypt/, here},
+compile and place it in the MinGW directory
+(@file{c:\mingw\mingw}). Currently libgcrypt @geq{} 1.4.2 is required to
+compile GNUnet.
+
+@item @strong{PlibC}@
+PlibC emulates Unix functions under Windows. Get PlibC from here and
+unpack it to the MinGW directory (c:\mingw\mingw)
+
+@item @strong{OGG Vorbis}@
+@command{OGG Vorbis} is used to extract meta-data from @file{.ogg} files.
+Get the packages
+@uref{http://www.gnunet.org/libextractor/download/win/libogg-1.1.4.zip, libogg}
+and
+@uref{http://www.gnunet.org/libextractor/download/win/libvorbis-1.2.3.zip, libvorbis}
+from the
+@uref{http://ftp.gnu.org/gnu/libextractor/libextractor-w32-1.0.0.zip, libextractor win32 build}
+and unpack them to the MinGW directory (c:\mingw\mingw).
+
+@item @strong{Exiv2}@
+(lib)Exiv2 is used to extract meta-data from files with Exiv2 meta-data.
+Download
+@uref{http://www.gnunet.org/libextractor/download/win/exiv2-0.18.2.zip, Exiv2}
+and unpack it to the MSYS directory (c:\mingw).
+@end itemize
+
+@node Building libextractor and GNUnet
+@subsubsection Building libextractor and GNUnet
+
+Before you compile @command{libextractor} or @command{GNUnet},
+be sure to set @code{PKG_CONFIG_PATH}:
+
+@example
+export PKG_CONFIG_PATH=/mingw/lib/pkgconfig
+@end example
+
+@noindent
+@xref{GNUnet Installation Handbook}, for basic instructions on building
+@command{libextractor} and @command{GNUnet}.
+By default, all modules that are created in this way contain
+debug information and are quite large. To compile release versions
+(small and fast) set the variable @code{CFLAGS}:
+
+@example
+export CFLAGS='-O2 -march=pentium -fomit-frame-pointer' 
+./configure --prefix=$HOME --with-extractor=$HOME
+@end example
+
+@node Installer
+@subsubsection Installer
+
+The GNUnet installer is made with
+@uref{http://nsis.sourceforge.net/, NSIS}. The installer script is
+located in @file{contrib\win} in the GNUnet source tree.
+
+@node Source
+@subsubsection Source
+
+@c FIXME: URL
+The sources of all dependencies are available here. 
+
+@c @node Portable GNUnet
+@c @section Portable GNUnet
+
+@c Quick instructions on how to use the most recent GNUnet on most GNU/Linux
+@c distributions
+
+@c Currently this has only been tested on Ubuntu 12.04, 12.10, 13.04, Debian
+@c and CentOS 6, but it should work on almost any GNU/Linux distribution.
+@c More in-detail information can be found in the handbook.
+
+@c Note 2017-10: Currently this section assumes the old SVN repo of GNUnet
+@c which no longer exists.
+
+@c @menu
+@c * Prerequisites::
+@c * Download & set up gnunet-update::
+@c * Install GNUnet::
+@c @end menu
+
+@c @node Prerequisites
+@c @subsection Prerequisites
+
+@c Open a terminal and paste this line into it to install all required tools
+@c needed:
+
+@c @example
+@c sudo apt-get install python-gpgme subversion
+@c @end example
+
+@c @node Download & set up gnunet-update
+@c @subsection Download & set up gnunet-update
+
+@c The following command will download a working version of gnunet-update
+@c with the subversion tool and import the public key which is needed for
+@c authentication:
+
+@c @example
+@c svn checkout -r24905 https://gnunet.org/svn/gnunet-update ~/gnunet-update
+@c cd ~/gnunet-update
+@c gpg --keyserver "hkp://keys.gnupg.net" --recv-keys 7C613D78
+@c @end example
+
+@c @node Install GNUnet
+@c @subsection Install GNUnet
+
+@c Download and install GNUnet binaries which can be found here and set
+@c library paths:
+
+@c @example
+@c wget -P /tmp https://gnunet.org/install/packs/gnunet-0.9.4-`uname -m`.tgz
+@c ./bin/gnunet-update install /tmp/gnunet-0.9*.tgz ~
+@c echo "PATH DEFAULT=$@{PATH@}:$HOME/bin" >> ~/.pam_environment
+@c echo -e "$@{HOME@}/lib\n$@{HOME@}/lib/gnunet-deps" | sudo tee \
+@c  /etc/ld.so.conf.d/gnunet.conf > /dev/null
+@c sudo ldconfig
+@c @end example
+
+@c You may need to re-login once after executing these last commands
+
+@c That's it, GNUnet is installed in your home directory now. GNUnet can be
+@c configured and afterwards started by executing:
+
+@c @example
+@c gnunet-arm -s
+@c @end example
+
+@node The graphical configuration interface
+@section The graphical configuration interface
+
+If you also would like to use @command{gnunet-gtk} and
+@command{gnunet-setup} (highly recommended for beginners), do:
+
+@example
+wget -P /tmp \
+https://gnunet.org/install/packs/gnunet-0.9.4-gtk-0.9.4-`uname -m`.tgz
+sh ~/gnunet-update/bin/gnunet-update install /tmp/gnunet-*gtk*.tgz ~
+sudo ldconfig
+@end example
+
+Now you can run @command{gnunet-setup} for easy configuration of your
+GNUnet peer.
+
+@menu
+* Configuring your peer::
+* Configuring the Friend-to-Friend (F2F) mode::
+* Configuring the hostlist to bootstrap::
+* Configuration of the HOSTLIST proxy settings::
+* Configuring your peer to provide a hostlist ::
+* Configuring the datastore::
+* Configuring the MySQL database::
+* Reasons for using MySQL::
+* Reasons for not using MySQL::
+* Setup Instructions::
+* Testing::
+* Performance Tuning::
+* Setup for running Testcases::
+* Configuring the Postgres database::
+* Reasons to use Postgres::
+* Reasons not to use Postgres::
+* Manual setup instructions::
+* Testing the setup manually::
+* Configuring the datacache::
+* Configuring the file-sharing service::
+* Configuring logging::
+* Configuring the transport service and plugins::
+* Configuring the wlan transport plugin::
+* Configuring HTTP(S) reverse proxy functionality using Apache or nginx::
+* Blacklisting peers::
+* Configuration of the HTTP and HTTPS transport plugins::
+* Configuring the GNU Name System::
+* Configuring the GNUnet VPN::
+* Bandwidth Configuration::
+* Configuring NAT::
+* Peer configuration for distributions::
+@end menu
+
+@node Configuring your peer
+@subsection Configuring your peer
+
+This chapter will describe the various configuration options in GNUnet.
+
+The easiest way to configure your peer is to use the
+@command{gnunet-setup} tool.
+@command{gnunet-setup} is part of the @command{gnunet-gtk}
+application. You might have to install it separately.
+
+Many of the specific sections from this chapter actually are linked from
+within @command{gnunet-setup} to help you while using the setup tool.
+
+While you can also configure your peer by editing the configuration
+file by hand, this is not recommended for anyone except for developers
+as it requires a more in-depth understanding of the configuration files
+and internal dependencies of GNUnet.
+
+
+@node Configuring the Friend-to-Friend (F2F) mode
+@subsection Configuring the Friend-to-Friend (F2F) mode
+
+GNUnet knows three basic modes of operation:
+@itemize @bullet
+@item In standard "peer-to-peer" mode,
+your peer will connect to any peer.
+@item In the pure "friend-to-friend"
+mode, your peer will ONLY connect to peers from a list of friends
+specified in the configuration.
+@item Finally, in mixed mode,
+GNUnet will only connect to arbitrary peers if it
+has at least a specified number of connections to friends.
+@end itemize
+
+When configuring any of the F2F ("friend-to-friend") modes,
+you first need to create a file with the peer identities
+of your friends. Ask your friends to run
+
+@example
+$ gnunet-peerinfo -sq
+@end example
+
+@noindent
+The resulting output of this command needs to be added to your
+@file{friends} file, which is simply a plain text file with one line
+per friend with the output from the above command.
+
+You then specify the location of your @file{friends} file in the
+"FRIENDS" option of the "topology" section.
+
+Once you have created the @file{friends} file, you can tell GNUnet to only
+connect to your friends by setting the "FRIENDS-ONLY" option (again in
+the "topology" section) to YES.
+
+If you want to run in mixed-mode, set "FRIENDS-ONLY" to NO and configure a
+minimum number of friends to have (before connecting to arbitrary peers)
+under the "MINIMUM-FRIENDS" option.
+
+If you want to operate in normal P2P-only mode, simply set
+"MINIMUM-FRIENDS" to zero and "FRIENDS_ONLY" to NO.
+This is the default.
+
+@node Configuring the hostlist to bootstrap
+@subsection Configuring the hostlist to bootstrap
+
+After installing the software you need to get connected to the GNUnet
+network. The configuration file included in your download is already
+configured to connect you to the GNUnet network.
+In this section the relevant configuration settings are explained.
+
+To get an initial connection to the GNUnet network and to get to know
+peers already connected to the network you can use the so called
+"bootstrap servers".
+These servers can give you a list of peers connected to the network.
+To use these bootstrap servers you have to configure the hostlist daemon
+to activate bootstrapping.
+
+To activate bootstrapping, edit the @code{[hostlist]}-section in your
+configuration file. You have to set the argument "-b" in the
+options line:
+
+@example
+[hostlist]
+OPTIONS = -b
+@end example
+
+Additionally you have to specify which server you want to use.
+The default bootstrapping server is
+"@uref{http://v10.gnunet.org/hostlist, http://v10.gnunet.org/hostlist}".
+[^] To set the server you have to edit the line "SERVERS" in the hostlist
+section. To use the default server you should set the lines to
+
+@example
+SERVERS = http://v10.gnunet.org/hostlist [^]
+@end example
+
+@noindent
+To use bootstrapping your configuration file should include these lines:
+
+@example
+[hostlist]
+OPTIONS = -b
+SERVERS = http://v10.gnunet.org/hostlist [^]
+@end example
+
+@noindent
+Besides using bootstrap servers you can configure your GNUnet peer to
+recieve hostlist advertisements.
+Peers offering hostlists to other peers can send advertisement messages
+to peers that connect to them. If you configure your peer to receive these
+messages, your peer can download these lists and connect to the peers
+included. These lists are persistent, which means that they are saved to
+your hard disk regularly and are loaded during startup.
+
+To activate hostlist learning you have to add the "-e" switch to the
+OPTIONS line in the hostlist section:
+
+@example
+[hostlist]
+OPTIONS = -b -e
+@end example
+
+@noindent
+Furthermore you can specify in which file the lists are saved.
+To save the lists in the file "hostlists.file" just add the line:
+
+@example
+HOSTLISTFILE = hostlists.file
+@end example
+
+@noindent
+Best practice is to activate both bootstrapping and hostlist learning.
+So your configuration file should include these lines:
+
+@example
+[hostlist]
+OPTIONS = -b -e
+HTTPPORT = 8080
+SERVERS = http://v10.gnunet.org/hostlist [^]
+HOSTLISTFILE = $SERVICEHOME/hostlists.file
+@end example
+
+@node Configuration of the HOSTLIST proxy settings
+@subsection Configuration of the HOSTLIST proxy settings
+
+The hostlist client can be configured to use a proxy to connect to the
+hostlist server.
+This functionality can be configured in the configuration file directly
+or using the gnunet-setup tool. 
+
+The hostlist client supports the following proxy types at the moment:
+
+@itemize @bullet
+@item HTTP and HTTP 1.0 only proxy
+@item SOCKS 4/4a/5/5 with hostname
+@end itemize
+
+In addition authentication at the proxy with username and password can be
+configured. 
+
+To configure proxy support for the hostlist client in the
+@command{gnunet-setup} tool, select the "hostlist" tab and select
+the appropriate proxy type.
+The hostname or IP address (including port if required) has to be entered
+in the "Proxy hostname" textbox. If required, enter username and password
+in the "Proxy username" and "Proxy password" boxes.
+Be aware that this information will be stored in the configuration in
+plain text (TODO: Add explanation and generalize the part in Chapter 3.6
+about the encrypted home).
+
+To provide these options directly in the configuration, you can
+enter the following settings in the @code{[hostlist]} section of
+the configuration:
+
+@example
+# Type of proxy server,
+# Valid values: HTTP, HTTP_1_0, SOCKS4, SOCKS5, SOCKS4A, SOCKS5_HOSTNAME
+# Default: HTTP
+# PROXY_TYPE = HTTP
+
+# Hostname or IP of proxy server
+# PROXY =
+# User name for proxy server
+# PROXY_USERNAME =
+# User password for proxy server
+# PROXY_PASSWORD =
+@end example
+
+@node Configuring your peer to provide a hostlist
+@subsection Configuring your peer to provide a hostlist
+
+If you operate a peer permanently connected to GNUnet you can configure
+your peer to act as a hostlist server, providing other peers the list of
+peers known to him.
+
+Yor server can act as a bootstrap server and peers needing to obtain a
+list of peers can contact it to download this list.
+To download this hostlist the peer uses HTTP.
+For this reason you have to build your peer with libcurl and microhttpd
+support. How you build your peer with this options can be found here:
+@uref{https://gnunet.org/generic_installation}
+
+To configure your peer to act as a bootstrap server you have to add the
+"@code{-p}" option to OPTIONS in the @code{[hostlist]} section of your
+configuration file. Besides that you have to specify a port number for
+the http server.
+In conclusion you have to add the following lines:
+
+@example
+[hostlist]
+HTTPPORT = 12980
+OPTIONS = -p
+@end example
+
+@noindent
+If your peer acts as a bootstrap server other peers should know about
+that. You can advertise the hostlist your are providing to other peers.
+Peers connecting to your peer will get a message containing an
+advertisement for your hostlist and the URL where it can be downloaded.
+If this peer is in learning mode, it will test the hostlist and, in the
+case it can obtain the list successfully, it will save it for
+bootstrapping.
+
+To activate hostlist advertisement on your peer, you have to set the
+following lines in your configuration file:
+
+@example
+[hostlist]
+EXTERNAL_DNS_NAME = example.org
+HTTPPORT = 12981
+OPTIONS = -p -a
+@end example
+
+@noindent
+With this configuration your peer will a act as a bootstrap server and
+advertise this hostlist to other peers connecting to it.
+The URL used to download the list will be
+@code{@uref{http://example.org:12981/, http://example.org:12981/}}.
+
+Please notice:
+
+@itemize @bullet
+@item The hostlist is not human readable, so you should not try to
+download it using your webbrowser. Just point your GNUnet peer to the
+address!
+@item Advertising without providing a hostlist does not make sense and
+will not work.
+@end itemize
+
+@node Configuring the datastore
+@subsection Configuring the datastore
+
+The datastore is what GNUnet uses to for long-term storage of file-sharing
+data. Note that long-term does not mean 'forever' since content does have
+an expiration date, and of course storage space is finite (and hence
+sometimes content may have to be discarded).
+
+Use the "QUOTA" option to specify how many bytes of storage space you are
+willing to dedicate to GNUnet.
+
+In addition to specifying the maximum space GNUnet is allowed to use for
+the datastore, you need to specify which database GNUnet should use to do
+so. Currently, you have the choice between sqLite, MySQL and Postgres.
+
+@node Configuring the MySQL database
+@subsection Configuring the MySQL database
+
+This section describes how to setup the MySQL database for GNUnet.
+
+Note that the mysql plugin does NOT work with mysql before 4.1 since we
+need prepared statements.
+We are generally testing the code against MySQL 5.1 at this point.
+
+@node Reasons for using MySQL
+@subsection Reasons for using MySQL
+
+@itemize @bullet
+
+@item On up-to-date hardware wher
+mysql can be used comfortably, this module
+will have better performance than the other database choices (according
+to our tests).
+
+@item Its often possible to recover the mysql database from internal
+inconsistencies. Some of the other databases do not support repair.
+@end itemize
+
+@node Reasons for not using MySQL
+@subsection Reasons for not using MySQL
+
+@itemize @bullet
+@item Memory usage (likely not an issue if you have more than 1 GB)
+@item Complex manual setup
+@end itemize
+
+@node Setup Instructions
+@subsection Setup Instructions
+
+@itemize @bullet
+
+@item In @code{gnunet.conf} set in section "DATASTORE" the value for
+"DATABASE" to "mysql".
+
+@item Access mysql as root:
+
+@example
+$ mysql -u root -p 
+@end example
+
+@noindent
+and issue the following commands, replacing $USER with the username
+that will be running gnunet-arm (so typically "gnunet"):
+
+@example
+CREATE DATABASE gnunet;
+GRANT select,insert,update,delete,create,alter,drop,create \
+temporary tables ON gnunet.* TO $USER@@localhost;
+SET PASSWORD FOR $USER@@localhost=PASSWORD('$the_password_you_like');
+FLUSH PRIVILEGES;
+@end example
+
+@item
+In the $HOME directory of $USER, create a "@file{.my.cnf}" file with the
+following lines
+
+@example
+[client]
+user=$USER
+password=$the_password_you_like
+@end example
+
+@end itemize
+
+Thats it. Note that @file{.my.cnf} file is a slight security risk unless
+its on a safe partition. The @file{$HOME/.my.cnf} can of course be
+a symbolic link.
+Luckily $USER has only priviledges to mess up GNUnet's tables,
+which should be pretty harmless.
+
+@node Testing
+@subsection Testing
+
+You should briefly try if the database connection works. First, login
+as $USER. Then use:
+
+@example
+$ mysql -u $USER
+mysql> use gnunet;
+@end example
+
+@noindent
+If you get the message "Database changed" it probably works.
+
+If you get "ERROR 2002: Can't connect to local MySQL server@
+through socket '/tmp/mysql.sock' (2)" it may be resolvable by
+
+@example
+ln -s /var/run/mysqld/mysqld.sock /tmp/mysql.sock
+@end example
+
+so there may be some additional trouble depending on your mysql setup.
+
+@node Performance Tuning
+@subsection Performance Tuning
+
+For GNUnet, you probably want to set the option
+
+@example
+innodb_flush_log_at_trx_commit = 0
+@end example
+
+@noindent
+for a rather dramatic boost in MySQL performance. However, this reduces
+the "safety" of your database as with this options you may loose
+transactions during a power outage.
+While this is totally harmless for GNUnet, the option applies to all
+applications using MySQL. So you should set it if (and only if) GNUnet is
+the only application on your system using MySQL.
+
+@node Setup for running Testcases
+@subsection Setup for running Testcases
+
+If you want to run the testcases, you must create a second database
+"gnunetcheck" with the same username and password. This database will
+then be used for testing ("make check").
+
+@node Configuring the Postgres database
+@subsection Configuring the Postgres database
+
+This text describes how to setup the Postgres database for GNUnet.
+
+This Postgres plugin was developed for Postgres 8.3 but might work for
+earlier versions as well.
+
+@node Reasons to use Postgres
+@subsection Reasons to use Postgres
+
+@itemize @bullet
+@item Easier to setup than MySQL
+@item Real database
+@end itemize
+
+@node Reasons not to use Postgres
+@subsection Reasons not to use Postgres
+
+@itemize @bullet
+@item Quite slow
+@item Still some manual setup required
+@end itemize
+
+@node Manual setup instructions
+@subsection Manual setup instructions
+
+@itemize @bullet
+@item In @code{gnunet.conf} set in section "DATASTORE" the value for
+"DATABASE" to "postgres".
+@item Access Postgres to create a user:@
+
+@table @asis
+@item with Postgres 8.x, use:
+
+@example
+# su - postgres
+$ createuser
+@end example
+
+@noindent
+and enter the name of the user running GNUnet for the role interactively.
+Then, when prompted, do not set it to superuser, allow the creation of
+databases, and do not allow the creation of new roles.@
+
+@item with Postgres 9.x, use:
+
+@example
+# su - postgres
+$ createuser -d $GNUNET_USER
+@end example
+
+@noindent
+where $GNUNET_USER is the name of the user running GNUnet.@
+
+@end table
+
+
+@item
+As that user (so typically as user "gnunet"), create a database (or two):
+
+@example
+$ createdb gnunet
+# this way you can run "make check"
+$ createdb gnunetcheck
+@end example
+
+@end itemize
+
+Now you should be able to start @code{gnunet-arm}.
+
+@node Testing the setup manually
+@subsection Testing the setup manually
+
+You may want to try if the database connection works. First, again login
+as the user who will run @command{gnunet-arm}. Then use:
+
+@example
+$ psql gnunet # or gnunetcheck
+gnunet=> \dt
+@end example
+
+@noindent
+If, after you have started @command{gnunet-arm} at least once, you get
+a @code{gn090} table here, it probably works.
+
+@node Configuring the datacache
+@subsection Configuring the datacache
+@c %**end of header
+
+The datacache is what GNUnet uses for storing temporary data. This data is
+expected to be wiped completely each time GNUnet is restarted (or the
+system is rebooted).
+
+You need to specify how many bytes GNUnet is allowed to use for the
+datacache using the "QUOTA" option in the section "dhtcache".
+Furthermore, you need to specify which database backend should be used to
+store the data. Currently, you have the choice between
+sqLite, MySQL and Postgres.
+
+@node Configuring the file-sharing service
+@subsection Configuring the file-sharing service
+
+In order to use GNUnet for file-sharing, you first need to make sure
+that the file-sharing service is loaded.
+This is done by setting the AUTOSTART option in section "fs" to "YES".
+Alternatively, you can run
+
+@example
+$ gnunet-arm -i fs
+@end example
+
+@noindent
+to start the file-sharing service by hand.
+
+Except for configuring the database and the datacache the only important
+option for file-sharing is content migration.
+
+Content migration allows your peer to cache content from other peers as
+well as send out content stored on your system without explicit requests.
+This content replication has positive and negative impacts on both system
+performance and privacy.
+
+FIXME: discuss the trade-offs. Here is some older text about it...
+
+Setting this option to YES allows gnunetd to migrate data to the local
+machine. Setting this option to YES is highly recommended for efficiency.
+Its also the default. If you set this value to YES, GNUnet will store
+content on your machine that you cannot decrypt.
+While this may protect you from liability if the judge is sane, it may
+not (IANAL). If you put illegal content on your machine yourself, setting
+this option to YES will probably increase your chances to get away with it
+since you can plausibly deny that you inserted the content.
+Note that in either case, your anonymity would have to be broken first
+(which may be possible depending on the size of the GNUnet network and the
+strength of the adversary).
+
+@node Configuring logging
+@subsection Configuring logging
+
+Logging in GNUnet 0.9.0 is controlled via the "-L" and "-l" options.
+Using "-L", a log level can be specified. With log level "@code{ERROR}"
+only serious errors are logged.
+The default log level is "@code{WARNING}" which causes anything of
+concern to be logged.
+Log level "@code{INFO}" can be used to log anything that might be
+interesting information whereas
+"@code{DEBUG}" can be used by developers to log debugging messages
+(but you need to run @code{./configure} with
+@code{--enable-logging=verbose} to get them compiled).
+The "-l" option is used to specify the log file.
+
+Since most GNUnet services are managed by @code{gnunet-arm}, using the
+"-l" or "-L" options directly is not possible.
+Instead, they can be specified using the "OPTIONS" configuration value in
+the respective section for the respective service.
+In order to enable logging globally without editing the "OPTIONS" values
+for each service, @code{gnunet-arm} supports a "GLOBAL_POSTFIX" option.
+The value specified here is given as an extra option to all services for
+which the configuration does contain a service-specific "OPTIONS" field.
+
+"GLOBAL_POSTFIX" can contain the special sequence "@{@}" which is replaced
+by the name of the service that is being started. Furthermore,
+@code{GLOBAL_POSTFIX} is special in that sequences starting with "$"
+anywhere in the string are expanded (according to options in "PATHS");
+this expansion otherwise is only happening for filenames and then the "$"
+must be the first character in the option. Both of these restrictions do
+not apply to "GLOBAL_POSTFIX".
+Note that specifying @code{%} anywhere in the "GLOBAL_POSTFIX" disables
+both of these features.
+
+In summary, in order to get all services to log at level "INFO" to
+log-files called @code{SERVICENAME-logs}, the following global prefix
+should be used:
+
+@example
+GLOBAL_POSTFIX = -l $SERVICEHOME/@{@}-logs -L INFO
+@end example
+
+@node Configuring the transport service and plugins
+@subsection Configuring the transport service and plugins
+
+The transport service in GNUnet is responsible to maintain basic
+connectivity to other peers.
+Besides initiating and keeping connections alive it is also responsible
+for address validation.
+
+The GNUnet transport supports more than one transport protocol.
+These protocols are configured together with the transport service.
+
+The configuration section for the transport service itself is quite
+similar to all the other services
+
+@example
+AUTOSTART = YES
+@@UNIXONLY@@ PORT = 2091
+HOSTNAME = localhost
+HOME = $SERVICEHOME
+CONFIG = $DEFAULTCONFIG
+BINARY = gnunet-service-transport
+#PREFIX = valgrind
+NEIGHBOUR_LIMIT = 50
+ACCEPT_FROM = 127.0.0.1;
+ACCEPT_FROM6 = ::1;
+PLUGINS = tcp udp
+UNIXPATH = /tmp/gnunet-service-transport.sock
+@end example
+
+Different are the settings for the plugins to load @code{PLUGINS}.
+The first setting specifies which transport plugins to load.
+
+@itemize @bullet
+@item transport-unix
+A plugin for local only communication with UNIX domain sockets. Used for
+testing and available on unix systems only. Just set the port
+
+@example
+[transport-unix]
+PORT = 22086
+TESTING_IGNORE_KEYS = ACCEPT_FROM;
+@end example
+
+@item transport-tcp
+A plugin for communication with TCP. Set port to 0 for client mode with
+outbound only connections
+
+@example
+[transport-tcp]
+# Use 0 to ONLY advertise as a peer behind NAT (no port binding)
+PORT = 2086
+ADVERTISED_PORT = 2086
+TESTING_IGNORE_KEYS = ACCEPT_FROM;
+# Maximum number of open TCP connections allowed
+MAX_CONNECTIONS = 128
+@end example
+
+@item transport-udp
+A plugin for communication with UDP. Supports peer discovery using
+broadcasts.
+
+@example
+[transport-udp]
+PORT = 2086
+BROADCAST = YES
+BROADCAST_INTERVAL = 30 s
+MAX_BPS = 1000000
+TESTING_IGNORE_KEYS = ACCEPT_FROM;
+@end example
+
+@item transport-http
+HTTP and HTTPS support is split in two part: a client plugin initiating
+outbound connections and a server part accepting connections from the
+client. The client plugin just takes the maximum number of connections as
+an argument.
+
+@example
+[transport-http_client]
+MAX_CONNECTIONS = 128
+TESTING_IGNORE_KEYS = ACCEPT_FROM;
+@end example
+
+@example
+[transport-https_client]
+MAX_CONNECTIONS = 128
+TESTING_IGNORE_KEYS = ACCEPT_FROM;
+@end example
+
+@noindent
+The server has a port configured and the maximum nunber of connections.
+The HTTPS part has two files with the certificate key and the certificate
+file.
+
+The server plugin supports reverse proxies, so a external hostname can be
+set using the @code{EXTERNAL_HOSTNAME} setting.
+The webserver under this address should forward the request to the peer
+and the configure port.
+
+@example
+[transport-http_server]
+EXTERNAL_HOSTNAME = fulcrum.net.in.tum.de/gnunet
+PORT = 1080
+MAX_CONNECTIONS = 128
+TESTING_IGNORE_KEYS = ACCEPT_FROM;
+@end example
+
+@example
+[transport-https_server]
+PORT = 4433
+CRYPTO_INIT = NORMAL
+KEY_FILE = https.key
+CERT_FILE = https.cert
+MAX_CONNECTIONS = 128
+TESTING_IGNORE_KEYS = ACCEPT_FROM;
+@end example
+
+@item transport-wlan
+
+The next section describes how to setup the WLAN plugin,
+so here only the settings. Just specify the interface to use:
+
+@example
+[transport-wlan]
+# Name of the interface in monitor mode (typically monX)
+INTERFACE = mon0
+# Real hardware, no testing
+TESTMODE = 0
+TESTING_IGNORE_KEYS = ACCEPT_FROM;
+@end example
+@end itemize
+
+@node Configuring the wlan transport plugin
+@subsection Configuring the wlan transport plugin
+
+The wlan transport plugin enables GNUnet to send and to receive data on a
+wlan interface.
+It has not to be connected to a wlan network as long as sender and
+receiver are on the same channel. This enables you to get connection to
+GNUnet where no internet access is possible, for example during
+catastrophes or when censorship cuts you off from the internet.
+
+
+@menu
+* Requirements for the WLAN plugin::
+* Configuration::
+* Before starting GNUnet::
+* Limitations and known bugs::
+@end menu
+
+
+@node Requirements for the WLAN plugin
+@subsubsection Requirements for the WLAN plugin
+
+@itemize @bullet
+
+@item wlan network card with monitor support and packet injection
+(see @uref{http://www.aircrack-ng.org/, aircrack-ng.org})
+
+@item Linux kernel with mac80211 stack, introduced in 2.6.22, tested with
+2.6.35 and 2.6.38
+
+@item Wlantools to create the a monitor interface, tested with airmon-ng
+of the aircrack-ng package
+@end itemize
+
+@node Configuration
+@subsubsection Configuration
+
+There are the following options for the wlan plugin (they should be like
+this in your default config file, you only need to adjust them if the
+values are incorrect for your system)
+
+@example
+# section for the wlan transport plugin
+[transport-wlan]
+# interface to use, more information in the
+# "Before starting GNUnet" section of the handbook.
+INTERFACE = mon0
+# testmode for developers:
+# 0 use wlan interface,
+#1 or 2 use loopback driver for tests 1 = server, 2 = client
+TESTMODE = 0
+@end example
+
+@node Before starting GNUnet
+@subsubsection Before starting GNUnet
+
+Before starting GNUnet, you have to make sure that your wlan interface is
+in monitor mode.
+One way to put the wlan interface into monitor mode (if your interface
+name is wlan0) is by executing:
+
+@example
+sudo airmon-ng start wlan0
+@end example
+
+@noindent
+Here is an example what the result should look like:
+
+@example
+Interface Chipset Driver
+wlan0 Intel 4965 a/b/g/n iwl4965 - [phy0]
+(monitor mode enabled on mon0)
+@end example
+
+@noindent
+The monitor interface is mon0 is the one that you have to put into the
+configuration file.
+
+@node Limitations and known bugs
+@subsubsection Limitations and known bugs
+
+Wlan speed is at the maximum of 1 Mbit/s because support for choosing the
+wlan speed with packet injection was removed in newer kernels.
+Please pester the kernel developers about fixing this.
+
+The interface channel depends on the wlan network that the card is
+connected to. If no connection has been made since the start of the
+computer, it is usually the first channel of the card.
+Peers will only find each other and communicate if they are on the same
+channel. Channels must be set manually (i.e. using
+@code{iwconfig wlan0 channel 1}).
+
+
+@node Configuring HTTP(S) reverse proxy functionality using Apache or nginx
+@subsection Configuring HTTP(S) reverse proxy functionality using Apache or nginx
+
+The HTTP plugin supports data transfer using reverse proxies. A reverse
+proxy forwards the HTTP request he receives with a certain URL to another
+webserver, here a GNUnet peer.
+
+So if you have a running Apache or nginx webserver you can configure it to
+be a GNUnet reverse proxy. Especially if you have a well-known webiste
+this improves censorship resistance since it looks as normal surfing
+behaviour.
+
+To do so, you have to do two things:
+
+@itemize @bullet
+@item Configure your webserver to forward the GNUnet HTTP traffic
+@item Configure your GNUnet peer to announce the respective address
+@end itemize
+
+As an example we want to use GNUnet peer running:
+
+@itemize @bullet
+
+@item HTTP server plugin on @code{gnunet.foo.org:1080}
+
+@item HTTPS server plugin on @code{gnunet.foo.org:4433}
+
+@item A apache or nginx webserver on
+@uref{http://www.foo.org/, http://www.foo.org:80/}
+
+@item A apache or nginx webserver on https://www.foo.org:443/
+@end itemize
+
+And we want the webserver to accept GNUnet traffic under
+@code{http://www.foo.org/bar/}. The required steps are described here:
+
+@strong{Configure your Apache2 HTTP webserver}
+
+First of all you need mod_proxy installed.
+
+Edit your webserver configuration. Edit
+@code{/etc/apache2/apache2.conf} or the site-specific configuration file.
+
+In the respective @code{server config},@code{virtual host} or
+@code{directory} section add the following lines:
+
+@example
+ProxyTimeout 300
+ProxyRequests Off
+<Location /bar/ >
+ProxyPass http://gnunet.foo.org:1080/
+ProxyPassReverse http://gnunet.foo.org:1080/
+</Location>
+@end example
+
+@noindent
+@strong{Configure your Apache2 HTTPS webserver}
+
+We assume that you already have an HTTPS server running, if not please
+check how to configure a HTTPS host. An easy to use example is the
+@file{apache2/sites-available/default-ssl} example configuration file.
+
+In the respective HTTPS @code{server config},@code{virtual host} or
+@code{directory} section add the following lines:
+
+@example
+SSLProxyEngine On
+ProxyTimeout 300
+ProxyRequests Off
+<Location /bar/ >
+ProxyPass https://gnunet.foo.org:4433/
+ProxyPassReverse https://gnunet.foo.org:4433/
+</Location>
+@end example
+
+@noindent
+More information about the apache mod_proxy configuration can be found
+here: @uref{http://httpd.apache.org/docs/2.2/mod/mod_proxy.html#proxypass}
+.
+
+@strong{Configure your nginx HTTPS webserver}
+
+Since nginx does not support chunked encoding, you first of all have to
+install @code{chunkin}: @uref{http://wiki.nginx.org/HttpChunkinModule}.
+
+To enable chunkin add:
+
+@example
+chunkin on;
+error_page 411 = @@my_411_error;
+location @@my_411_error @{
+chunkin_resume;
+@}
+@end example
+
+@noindent
+Edit your webserver configuration. Edit @file{/etc/nginx/nginx.conf} or
+the site-specific configuration file.
+
+In the @code{server} section add:
+
+@example
+location /bar/
+@{
+proxy_pass http://gnunet.foo.org:1080/;
+proxy_buffering off;
+proxy_connect_timeout 5; # more than http_server
+proxy_read_timeout 350; # 60 default, 300s is GNUnet's idle timeout
+proxy_http_version 1.1; # 1.0 default
+proxy_next_upstream error timeout invalid_header http_500 http_503 http_502 http_504;
+@}
+@end example
+
+@noindent
+@strong{Configure your nginx HTTPS webserver}
+
+Edit your webserver configuration. Edit @file{/etc/nginx/nginx.conf} or
+the site-specific configuration file.
+
+In the @code{server} section add:
+
+@example
+ssl_session_timeout 6m;
+location /bar/
+@{
+proxy_pass https://gnunet.foo.org:4433/;
+proxy_buffering off;
+proxy_connect_timeout 5; # more than http_server
+proxy_read_timeout 350; # 60 default, 300s is GNUnet's idle timeout
+proxy_http_version 1.1; # 1.0 default
+proxy_next_upstream error timeout invalid_header http_500 http_503 http_502 http_504;
+@}
+@end example
+
+@noindent
+@strong{Configure your GNUnet peer}
+
+To have your GNUnet peer announce the address, you have to specify the
+@code{EXTERNAL_HOSTNAME} option in the @code{[transport-http_server]}
+section:
+
+@example
+[transport-http_server]
+EXTERNAL_HOSTNAME = http://www.foo.org/bar/
+@end example
+
+@noindent
+and/or @code{[transport-https_server]} section:
+
+@example
+[transport-https_server]
+EXTERNAL_HOSTNAME = https://www.foo.org/bar/
+@end example
+
+@noindent
+Now restart your webserver and your peer...
+
+@node Blacklisting peers
+@subsection Blacklisting peers
+
+Transport service supports to deny connecting to a specific peer of to a
+specific peer with a specific transport plugin using te blacklisting
+component of transport service. With@ blacklisting it is possible to deny
+connections to specific peers of@ to use a specific plugin to a specific
+peer. Peers can be blacklisted using@ the configuration or a blacklist
+client can be asked.
+
+To blacklist peers using the configuration you have to add a section to
+your configuration containing the peer id of the peer to blacklist and
+the plugin@ if required.
+
+Examples:
+
+To blacklist connections to P565... on peer AG2P... using tcp add:
+
+@c FIXME: This is too long and produces errors in the pdf.
+@example
+[transport-blacklist AG2PHES1BARB9IJCPAMJTFPVJ5V3A72S3F2A8SBUB8DAQ2V0O3V8G6G2JU56FHGFOHMQVKBSQFV98TCGTC3RJ1NINP82G0RC00N1520]
+P565723JO1C2HSN6J29TAQ22MN6CI8HTMUU55T0FUQG4CMDGGEQ8UCNBKUMB94GC8R9G4FB2SF9LDOBAJ6AMINBP4JHHDD6L7VD801G = tcp
+@end example
+
+To blacklist connections to P565... on peer AG2P... using all plugins add:
+
+@example
+[transport-blacklist-AG2PHES1BARB9IJCPAMJTFPVJ5V3A72S3F2A8SBUB8DAQ2V0O3V8G6G2JU56FHGFOHMQVKBSQFV98TCGTC3RJ1NINP82G0RC00N1520]
+P565723JO1C2HSN6J29TAQ22MN6CI8HTMUU55T0FUQG4CMDGGEQ8UCNBKUMB94GC8R9G4FB2SF9LDOBAJ6AMINBP4JHHDD6L7VD801G =
+@end example
+
+You can also add a blacklist client usign the blacklist API. On a
+blacklist check, blacklisting first checks internally if the peer is
+blacklisted and if not, it asks the blacklisting clients. Clients are
+asked if it is OK to connect to a peer ID, the plugin is omitted.
+
+On blacklist check for (peer, plugin)
+@itemize @bullet
+@item Do we have a local blacklist entry for this peer and this plugin?@
+@item YES: disallow connection@
+@item Do we have a local blacklist entry for this peer and all plugins?@
+@item YES: disallow connection@
+@item Does one of the clients disallow?@
+@item YES: disallow connection
+@end itemize
+
+@node Configuration of the HTTP and HTTPS transport plugins
+@subsection Configuration of the HTTP and HTTPS transport plugins
+
+The client parts of the http and https transport plugins can be configured
+to use a proxy to connect to the hostlist server. This functionality can
+be configured in the configuration file directly or using the
+gnunet-setup tool.
+
+Both the HTTP and HTTPS clients support the following proxy types at
+the moment:
+
+@itemize @bullet
+@item HTTP 1.1 proxy
+@item SOCKS 4/4a/5/5 with hostname
+@end itemize
+
+In addition authentication at the proxy with username and password can be
+configured.
+
+To configure proxy support for the clients in the gnunet-setup tool,
+select the "transport" tab and activate the respective plugin. Now you
+can select the appropriate proxy type. The hostname or IP address
+(including port if required) has to be entered in the "Proxy hostname"
+textbox. If required, enter username and password in the "Proxy username"
+and "Proxy password" boxes. Be aware that these information will be stored
+in the configuration in plain text.
+
+To configure these options directly in the configuration, you can
+configure the following settings in the @code{[transport-http_client]}
+and @code{[transport-https_client]} section of the configuration:
+
+@example
+# Type of proxy server,
+# Valid values: HTTP, SOCKS4, SOCKS5, SOCKS4A, SOCKS5_HOSTNAME
+# Default: HTTP
+# PROXY_TYPE = HTTP
+
+# Hostname or IP of proxy server
+# PROXY =
+# User name for proxy server
+# PROXY_USERNAME =
+# User password for proxy server
+# PROXY_PASSWORD =
+@end example
+
+@node Configuring the GNU Name System
+@subsection Configuring the GNU Name System
+
+@menu
+* Configuring system-wide DNS interception::
+* Configuring the GNS nsswitch plugin::
+* Configuring GNS on W32::
+* GNS Proxy Setup::
+* Setup of the GNS CA::
+* Testing the GNS setup::
+* Automatic Shortening in the GNU Name System::
+@end menu
+
+
+@node Configuring system-wide DNS interception
+@subsubsection Configuring system-wide DNS interception
+
+Before you install GNUnet, make sure you have a user and group 'gnunet'
+as well as an empty group 'gnunetdns'.
+
+When using GNUnet with system-wide DNS interception, it is absolutely
+necessary for all GNUnet service processes to be started by
+@code{gnunet-service-arm} as user and group 'gnunet'. You also need to be
+sure to run @code{make install} as root (or use the @code{sudo} option to
+configure) to grant GNUnet sufficient privileges.
+
+With this setup, all that is required for enabling system-wide DNS
+interception is for some GNUnet component (VPN or GNS) to request it.
+The @code{gnunet-service-dns} will then start helper programs that will
+make the necessary changes to your firewall (@code{iptables}) rules.
+
+Note that this will NOT work if your system sends out DNS traffic to a
+link-local IPv6 address, as in this case GNUnet can intercept the traffic,
+but not inject the responses from the link-local IPv6 address. Hence you
+cannot use system-wide DNS interception in conjunction with link-local
+IPv6-based DNS servers. If such a DNS server is used, it will bypass
+GNUnet's DNS traffic interception.
+
+Using the GNU Name System (GNS) requires two different configuration
+steps.
+First of all, GNS needs to be integrated with the operating system. Most
+of this section is about the operating system level integration.
+
+Additionally, each individual user who wants to use the system must also
+initialize their GNS zones. This can be done by running (after starting
+GNUnet)
+
+@example
+$ gnunet-gns-import.sh
+@end example
+
+@noindent
+after the local GNUnet peer has been started. Note that the namestore (in
+particular the namestore database backend) should not be reconfigured
+afterwards (as records are not automatically migrated between backends).
+
+The remainder of this chapter will detail the various methods for
+configuring the use of GNS with your operating system.
+
+At this point in time you have different options depending on your OS:
+
+@table @asis
+
+@item Use the gnunet-gns-proxy This approach works for all operating
+systems and is likely the easiest. However, it enables GNS only for
+browsers, not for other applications that might be using DNS, such as SSH.
+Still, using the proxy is required for using HTTP with GNS and is thus
+recommended for all users. To do this, you simply have to run the
+@code{gnunet-gns-proxy-setup-ca} script as the user who will run the
+browser (this will create a GNS certificate authority (CA) on your system
+and import its key into your browser), then start @code{gnunet-gns-proxy}
+and inform your browser to use the Socks5 proxy which
+@code{gnunet-gns-proxy} makes available by default on port 7777.
+@item Use a nsswitch plugin (recommended on GNU systems)
+This approach has the advantage of offering fully personalized resolution
+even on multi-user systems. A potential disadvantage is that some
+applications might be able to bypass GNS.
+@item Use a W32 resolver plugin (recommended on W32)
+This is currently the only option on W32 systems.
+@item Use system-wide DNS packet interception
+This approach is recommended for the GNUnet VPN. It can be used to handle
+GNS at the same time; however, if you only use this method, you will only
+get one root zone per machine (not so great for multi-user systems).
+@end table
+
+You can combine system-wide DNS packet interception with the nsswitch
+plugin.
+The setup of the system-wide DNS interception is described here. All of
+the other GNS-specific configuration steps are described in the following
+sections.
+
+@node Configuring the GNS nsswitch plugin
+@subsubsection Configuring the GNS nsswitch plugin
+
+The Name Service Switch (NSS) is a facility in Unix-like operating systems
+@footnote{More accurate: NSS is a functionality of the GNU C Library}
+that provides a variety of sources for common configuration databases and
+name resolution mechanisms.
+A superuser (system administrator) usually configures the
+operating system's name services using the file
+@file{/etc/nsswitch.conf}.
+
+GNS provides a NSS plugin to integrate GNS name resolution with the
+operating system's name resolution process.
+To use the GNS NSS plugin you have to either
+
+@itemize @bullet
+@item install GNUnet as root or
+@item compile GNUnet with the @code{--with-sudo=yes} switch.
+@end itemize
+
+Name resolution is controlled by the @emph{hosts} section in the NSS
+configuration. By default this section first performs a lookup in the
+@file{/etc/hosts} file and then in DNS.
+The nsswitch file should contain a line similar to:
+
+@example
+hosts: files dns [NOTFOUND=return] mdns4_minimal mdns4
+@end example
+
+@noindent
+Here the GNS NSS plugin can be added to perform a GNS lookup before
+performing a DNS lookup.
+The GNS NSS plugin has to be added to the "hosts" section in
+@file{/etc/nsswitch.conf} file before DNS related plugins:
+
+@example
+...
+hosts: files gns [NOTFOUND=return] dns mdns4_minimal mdns4
+...
+@end example
+
+@noindent
+The @code{NOTFOUND=return} will ensure that if a @code{.gnu} name is not
+found in GNS it will not be queried in DNS.
+
+@node Configuring GNS on W32
+@subsubsection Configuring GNS on W32
+
+This document is a guide to configuring GNU Name System on W32-compatible
+platforms.
+
+After GNUnet is installed, run the w32nsp-install tool:
+
+@example
+w32nsp-install.exe libw32nsp-0.dll
+@end example
+
+@noindent
+('0' is the library version of W32 NSP; it might increase in the future,
+change the invocation accordingly).
+
+This will install GNS namespace provider into the system and allow other
+applications to resolve names that end in '@strong{gnu}'
+and '@strong{zkey}'. Note that namespace provider requires
+gnunet-gns-helper-service-w32 to be running, as well as gns service
+itself (and its usual dependencies).
+
+Namespace provider is hardcoded to connect to @strong{127.0.0.1:5353},
+and this is where gnunet-gns-helper-service-w32 should be listening to
+(and is configured to listen to by default).
+
+To uninstall the provider, run:
+
+@example
+w32nsp-uninstall.exe
+@end example
+
+@noindent
+(uses provider GUID to uninstall it, does not need a dll name).
+
+Note that while MSDN claims that other applications will only be able to
+use the new namespace provider after re-starting, in reality they might
+stat to use it without that. Conversely, they might stop using the
+provider after it's been uninstalled, even if they were not re-started.
+W32 will not permit namespace provider library to be deleted or
+overwritten while the provider is installed, and while there is at least
+one process still using it (even after it was uninstalled).
+
+@node GNS Proxy Setup
+@subsubsection GNS Proxy Setup
+
+When using the GNU Name System (GNS) to browse the WWW, there are several
+issues that can be solved by adding the GNS Proxy to your setup:
+
+@itemize @bullet
+
+@item If the target website does not support GNS, it might assume that it
+is operating under some name in the legacy DNS system (such as
+example.com). It may then attempt to set cookies for that domain, and the
+web server might expect a @code{Host: example.com} header in the request
+from your browser.
+However, your browser might be using @code{example.gnu} for the
+@code{Host} header and might only accept (and send) cookies for
+@code{example.gnu}. The GNS Proxy will perform the necessary translations
+of the hostnames for cookies and HTTP headers (using the LEHO record for
+the target domain as the desired substitute).
+
+@item If using HTTPS, the target site might include an SSL certificate
+which is either only valid for the LEHO domain or might match a TLSA
+record in GNS. However, your browser would expect a valid certificate for
+@code{example.gnu}, not for some legacy domain name. The proxy will
+validate the certificate (either against LEHO or TLSA) and then
+on-the-fly produce a valid certificate for the exchange, signed by your
+own CA. Assuming you installed the CA of your proxy in your browser's
+certificate authority list, your browser will then trust the
+HTTPS/SSL/TLS connection, as the hostname mismatch is hidden by the proxy.
+
+@item Finally, the proxy will in the future indicate to the server that it
+speaks GNS, which will enable server operators to deliver GNS-enabled web
+sites to your browser (and continue to deliver legacy links to legacy
+browsers)
+@end itemize
+
+@node Setup of the GNS CA
+@subsubsection Setup of the GNS CA
+
+First you need to create a CA certificate that the proxy can use.
+To do so use the provided script gnunet-gns-proxy-ca:
+
+@example
+$ gnunet-gns-proxy-setup-ca
+@end example
+
+@noindent
+This will create a personal certification authority for you and add this
+authority to the firefox and chrome database. The proxy will use the this
+CA certificate to generate @code{*.gnu} client certificates on the fly.
+
+Note that the proxy uses libcurl. Make sure your version of libcurl uses
+GnuTLS and NOT OpenSSL. The proxy will @b{not} work with libcurl compiled
+against OpenSSL.
+
+You can check the configuration your libcurl was build with by
+running:
+
+@example
+curl --version
+@end example
+
+the output will look like this (without the linebreaks):
+
+@example
+gnurl --version
+curl 7.56.0 (x86_64-unknown-linux-gnu) libcurl/7.56.0 \
+GnuTLS/3.5.13 zlib/1.2.11 libidn2/2.0.4
+Release-Date: 2017-10-08
+Protocols: http https 
+Features: AsynchDNS IDN IPv6 Largefile NTLM SSL libz \
+TLS-SRP UnixSockets HTTPS-proxy
+@end example
+
+@node Testing the GNS setup
+@subsubsection Testing the GNS setup
+
+Now for testing purposes we can create some records in our zone to test
+the SSL functionality of the proxy:
+
+@example
+$ gnunet-namestore -a -e "1 d" -n "homepage" -t A -V 131.159.74.67
+$ gnunet-namestore -a -e "1 d" -n "homepage" -t LEHO -V "gnunet.org"
+@end example
+
+@noindent
+At this point we can start the proxy. Simply execute
+
+@example
+$ gnunet-gns-proxy
+@end example
+
+@noindent
+Configure your browser to use this SOCKSv5 proxy on port 7777 and visit
+this link.
+If you use @command{Firefox} (or one of its deriviates/forks such as
+Icecat) you also have to go to @code{about:config} and set the key
+@code{network.proxy.socks_remote_dns} to @code{true}.
+
+When you visit @code{https://homepage.gnu/}, you should get to the
+@code{https://gnunet.org/} frontpage and the browser (with the correctly
+configured proxy) should give you a valid SSL certificate for
+@code{homepage.gnu} and no warnings. It should look like this:
+
+@c FIXME: Image does not exist, create it or save it from Drupal?
+@c @image{images/gnunethpgns.png,5in,, picture of homepage.gnu in Webbrowser}
+
+@node Automatic Shortening in the GNU Name System
+@subsubsection Automatic Shortening in the GNU Name System
+
+This page describes a possible option for 'automatic name shortening',
+which you can choose to enable with the GNU Name System.
+
+When GNS encounters a name for the first time, it can use the 'NICK'
+record of the originating zone to automatically generate a name for the
+zone. If automatic shortening is enabled, those auto-generated names will
+be placed (as private records) into your personal 'shorten' zone (to
+prevent confusion with manually selected names).
+Then, in the future, if the same name is encountered again, GNS will
+display the shortened name instead (the first time, the long name will
+still be used as shortening typically happens asynchronously as looking up
+the 'NICK' record takes some time). Using this feature can be a convenient
+way to avoid very long @code{.gnu} names; however, note that names from
+the shorten-zone are assigned on a first-come-first-serve basis and should
+not be trusted. Furthermore, if you enable this feature, you will no
+longer see the full delegation chain for zones once shortening has been
+applied.
+
+@node Configuring the GNUnet VPN
+@subsection Configuring the GNUnet VPN
+
+@menu
+* IPv4 address for interface::
+* IPv6 address for interface::
+* Configuring the GNUnet VPN DNS::
+* Configuring the GNUnet VPN Exit Service::
+* IP Address of external DNS resolver::
+* IPv4 address for Exit interface::
+* IPv6 address for Exit interface::
+@end menu
+
+Before configuring the GNUnet VPN, please make sure that system-wide DNS
+interception is configured properly as described in the section on the
+GNUnet DNS setup. @pxref{Configuring the GNU Name System},
+if you haven't done so already.
+
+The default options for the GNUnet VPN are usually sufficient to use
+GNUnet as a Layer 2 for your Internet connection.
+However, what you always have to specify is which IP protocol you want
+to tunnel: IPv4, IPv6 or both.
+Furthermore, if you tunnel both, you most likely should also tunnel
+all of your DNS requests.
+You theoretically can tunnel "only" your DNS traffic, but that usually
+makes little sense.
+
+The other options as shown on the gnunet-setup tool are:
+
+@node IPv4 address for interface
+@subsubsection IPv4 address for interface
+
+This is the IPv4 address the VPN interface will get. You should pick an
+'private' IPv4 network that is not yet in use for you system. For example,
+if you use @code{10.0.0.1/255.255.0.0} already, you might use
+@code{10.1.0.1/255.255.0.0}.
+If you use @code{10.0.0.1/255.0.0.0} already, then you might use
+@code{192.168.0.1/255.255.0.0}.
+If your system is not in a private IP-network, using any of the above will
+work fine.
+You should try to make the mask of the address big enough
+(@code{255.255.0.0} or, even better, @code{255.0.0.0}) to allow more
+mappings of remote IP Addresses into this range.
+However, even a @code{255.255.255.0} mask will suffice for most users.
+
+@node IPv6 address for interface
+@subsubsection IPv6 address for interface
+
+The IPv6 address the VPN interface will get. Here you can specify any
+non-link-local address (the address should not begin with "@code{fe80:}").
+A subnet Unique Local Unicast (@code{fd00::/8} prefix) that you are
+currently not using would be a good choice.
+
+@node Configuring the GNUnet VPN DNS
+@subsubsection Configuring the GNUnet VPN DNS
+
+To resolve names for remote nodes, activate the DNS exit option.
+
+@node Configuring the GNUnet VPN Exit Service
+@subsubsection Configuring the GNUnet VPN Exit Service
+
+If you want to allow other users to share your Internet connection (yes,
+this may be dangerous, just as running a Tor exit node) or want to
+provide access to services on your host (this should be less dangerous,
+as long as those services are secure), you have to enable the GNUnet exit
+daemon.
+
+You then get to specify which exit functions you want to provide. By
+enabling the exit daemon, you will always automatically provide exit
+functions for manually configured local services (this component of the
+system is under
+development and not documented further at this time). As for those
+services you explicitly specify the target IP address and port, there is
+no significant security risk in doing so.
+
+Furthermore, you can serve as a DNS, IPv4 or IPv6 exit to the Internet.
+Being a DNS exit is usually pretty harmless. However, enabling IPv4 or
+IPv6-exit without further precautions may enable adversaries to access
+your local network, send spam, attack other systems from your Internet
+connection and to other mischief that will appear to come from your
+machine. This may or may not get you into legal trouble.
+If you want to allow IPv4 or IPv6-exit functionality, you should strongly
+consider adding additional firewall rules manually to protect your local
+network and to restrict outgoing TCP traffic (i.e. by not allowing access
+to port 25). While we plan to improve exit-filtering in the future,
+you're currently on your own here.
+Essentially, be prepared for any kind of IP-traffic to exit the respective
+TUN interface (and GNUnet will enable IP-forwarding and NAT for the
+interface automatically).
+
+Additional configuration options of the exit as shown by the gnunet-setup
+tool are:
+
+@node IP Address of external DNS resolver
+@subsubsection IP Address of external DNS resolver
+
+If DNS traffic is to exit your machine, it will be send to this DNS
+resolver. You can specify an IPv4 or IPv6 address.
+
+@node IPv4 address for Exit interface
+@subsubsection IPv4 address for Exit interface
+
+This is the IPv4 address the Interface will get. Make the mask of the
+address big enough (255.255.0.0 or, even better, 255.0.0.0) to allow more
+mappings of IP addresses into this range. As for the VPN interface, any
+unused, private IPv4 address range will do.
+
+@node IPv6 address for Exit interface
+@subsubsection IPv6 address for Exit interface
+
+The public IPv6 address the interface will get. If your kernel is not a
+very recent kernel and you are willing to manually enable IPv6-NAT, the
+IPv6 address you specify here must be a globally routed IPv6 address of
+your host.
+
+Suppose your host has the address @code{2001:4ca0::1234/64}, then
+using @code{2001:4ca0::1:0/112} would be fine (keep the first 64 bits,
+then change at least one bit in the range before the bitmask, in the
+example above we changed bit 111 from 0 to 1).
+
+You may also have to configure your router to route traffic for the entire
+subnet (@code{2001:4ca0::1:0/112} for example) through your computer (this
+should be automatic with IPv6, but obviously anything can be
+disabled).
+
+@node Bandwidth Configuration
+@subsection Bandwidth Configuration
+
+You can specify how many bandwidth GNUnet is allowed to use to receive
+and send data. This is important for users with limited bandwidth or
+traffic volume.
+
+@node Configuring NAT
+@subsection Configuring NAT
+
+Most hosts today do not have a normal global IP address but instead are
+behind a router performing Network Address Translation (NAT) which assigns
+each host in the local network a private IP address.
+As a result, these machines cannot trivially receive inbound connections
+from the Internet. GNUnet supports NAT traversal to enable these machines
+to receive incoming connections from other peers despite their
+limitations.
+
+In an ideal world, you can press the "Attempt automatic configuration"
+button in gnunet-setup to automatically configure your peer correctly.
+Alternatively, your distribution might have already triggered this
+automatic configuration during the installation process.
+However, automatic configuration can fail to determine the optimal
+settings, resulting in your peer either not receiving as many connections
+as possible, or in the worst case it not connecting to the network at all.
+
+To manually configure the peer, you need to know a few things about your
+network setup. First, determine if you are behind a NAT in the first
+place.
+This is always the case if your IP address starts with "10.*" or
+"192.168.*". Next, if you have control over your NAT router, you may
+choose to manually configure it to allow GNUnet traffic to your host.
+If you have configured your NAT to forward traffic on ports 2086 (and
+possibly 1080) to your host, you can check the "NAT ports have been opened
+manually" option, which corresponds to the "PUNCHED_NAT" option in the
+configuration file. If you did not punch your NAT box, it may still be
+configured to support UPnP, which allows GNUnet to automatically
+configure it. In that case, you need to install the "upnpc" command,
+enable UPnP (or PMP) on your NAT box and set the "Enable NAT traversal
+via UPnP or PMP" option (corresponding to "ENABLE_UPNP" in the
+configuration file).
+
+Some NAT boxes can be traversed using the autonomous NAT traversal method.
+This requires certain GNUnet components to be installed with "SUID"
+prividledges on your system (so if you're installing on a system you do
+not have administrative rights to, this will not work).
+If you installed as 'root', you can enable autonomous NAT traversal by
+checking the "Enable NAT traversal using ICMP method".
+The ICMP method requires a way to determine your NAT's external (global)
+IP address. This can be done using either UPnP, DynDNS, or by manual
+configuration. If you have a DynDNS name or know your external IP address,
+you should enter that name under "External (public) IPv4 address" (which
+corresponds to the "EXTERNAL_ADDRESS" option in the configuration file).
+If you leave the option empty, GNUnet will try to determine your external
+IP address automatically (which may fail, in which case autonomous
+NAT traversal will then not work).
+
+Finally, if you yourself are not behind NAT but want to be able to
+connect to NATed peers using autonomous NAT traversal, you need to check
+the "Enable connecting to NATed peers using ICMP method" box.
+
+
+@node Peer configuration for distributions
+@subsection Peer configuration for distributions
+
+The "GNUNET_DATA_HOME" in "[path]" in @file{/etc/gnunet.conf} should be
+manually set to "/var/lib/gnunet/data/" as the default
+"~/.local/share/gnunet/" is probably not that appropriate in this case.
+Similarly, distributions may consider pointing "GNUNET_RUNTIME_DIR" to
+"/var/run/gnunet/" and "GNUNET_HOME" to "/var/lib/gnunet/". Also, should a
+distribution decide to override system defaults, all of these changes
+should be done in a custom @file{/etc/gnunet.conf} and not in the files
+in the @file{config.d/} directory.
+
+Given the proposed access permissions, the "gnunet-setup" tool must be
+run as use "gnunet" (and with option "-c /etc/gnunet.conf" so that it
+modifies the system configuration). As always, gnunet-setup should be run
+after the GNUnet peer was stopped using "gnunet-arm -e". Distributions
+might want to include a wrapper for gnunet-setup that allows the
+desktop-user to "sudo" (i.e. using gtksudo) to the "gnunet" user account
+and then runs "gnunet-arm -e", "gnunet-setup" and "gnunet-arm -s" in
+sequence.
+
+@node How to start and stop a GNUnet peer
+@section How to start and stop a GNUnet peer
+
+This section describes how to start a GNUnet peer. It assumes that you
+have already compiled and installed GNUnet and its' dependencies.
+Before you start a GNUnet peer, you may want to create a configuration
+file using gnunet-setup (but you do not have to).
+Sane defaults should exist in your
+@file{$GNUNET_PREFIX/share/gnunet/config.d/} directory, so in practice
+you could simply start without any configuration. If you want to
+configure your peer later, you need to stop it before invoking the
+@code{gnunet-setup} tool to customize further and to test your
+configuration (@code{gnunet-setup} has build-in test functions).
+
+The most important option you might have to still set by hand is in
+[PATHS]. Here, you use the option "GNUNET_HOME" to specify the path where
+GNUnet should store its data.
+It defaults to @code{$HOME/}, which again should work for most users.
+Make sure that the directory specified as GNUNET_HOME is writable to
+the user that you will use to run GNUnet (note that you can run frontends
+using other users, GNUNET_HOME must only be accessible to the user used to
+run the background processes).
+
+You will also need to make one central decision: should all of GNUnet be
+run under your normal UID, or do you want distinguish between system-wide
+(user-independent) GNUnet services and personal GNUnet services. The
+multi-user setup is slightly more complicated, but also more secure and
+generally recommended.
+
+@menu
+* The Single-User Setup::
+* The Multi-User Setup::
+* Killing GNUnet services::
+* Access Control for GNUnet::
+@end menu
+
+@node The Single-User Setup
+@subsection The Single-User Setup
+
+For the single-user setup, you do not need to do anything special and can
+just start the GNUnet background processes using @code{gnunet-arm}.
+By default, GNUnet looks in @file{~/.config/gnunet.conf} for a
+configuration (or @code{$XDG_CONFIG_HOME/gnunet.conf} if@
+@code{$XDG_CONFIG_HOME} is defined). If your configuration lives
+elsewhere, you need to pass the @code{-c FILENAME} option to all GNUnet
+commands.
+
+Assuming the configuration file is called @file{~/.config/gnunet.conf},
+you start your peer using the @code{gnunet-arm} command (say as user
+@code{gnunet}) using:
+
+@example
+gnunet-arm -c ~/.config/gnunet.conf -s
+@end example
+
+@noindent
+The "-s" option here is for "start". The command should return almost
+instantly. If you want to stop GNUnet, you can use:
+
+@example
+gnunet-arm -c ~/.config/gnunet.conf -e
+@end example
+
+@noindent
+The "-e" option here is for "end".
+
+Note that this will only start the basic peer, no actual applications
+will be available.
+If you want to start the file-sharing service, use (after starting
+GNUnet):
+
+@example
+gnunet-arm -c ~/.config/gnunet.conf -i fs
+@end example
+
+@noindent
+The "-i fs" option here is for "initialize" the "fs" (file-sharing)
+application. You can also selectively kill only file-sharing support using
+
+@example
+gnunet-arm -c ~/.config/gnunet.conf -k fs
+@end example
+
+@noindent
+Assuming that you want certain services (like file-sharing) to be always
+automatically started whenever you start GNUnet, you can activate them by
+setting "FORCESTART=YES" in the respective section of the configuration
+file (for example, "[fs]"). Then GNUnet with file-sharing support would
+be started whenever you@ enter:
+
+@example
+gnunet-arm -c ~/.config/gnunet.conf -s
+@end example
+
+@noindent
+Alternatively, you can combine the two options:
+
+@example
+gnunet-arm -c ~/.config/gnunet.conf -s -i fs
+@end example
+
+@noindent
+Using @code{gnunet-arm} is also the preferred method for initializing
+GNUnet from @code{init}.
+
+Finally, you should edit your @code{crontab} (using the @code{crontab}
+command) and insert a line@
+
+@example
+@@reboot gnunet-arm -c ~/.config/gnunet.conf -s
+@end example
+
+to automatically start your peer whenever your system boots.
+
+@node The Multi-User Setup
+@subsection The Multi-User Setup
+
+This requires you to create a user @code{gnunet} and an additional group
+@code{gnunetdns}, prior to running @code{make install} during
+installation.
+Then, you create a configuration file @file{/etc/gnunet.conf} which should
+contain the lines:@
+
+@example
+[arm]
+SYSTEM_ONLY = YES
+USER_ONLY = NO
+@end example
+
+@noindent
+Then, perform the same steps to run GNUnet as in the per-user
+configuration, except as user @code{gnunet} (including the
+@code{crontab} installation).
+You may also want to run @code{gnunet-setup} to configure your peer
+(databases, etc.).
+Make sure to pass @code{-c /etc/gnunet.conf} to all commands. If you
+run @code{gnunet-setup} as user @code{gnunet}, you might need to change
+permissions on @file{/etc/gnunet.conf} so that the @code{gnunet} user can
+write to the file (during setup).
+
+Afterwards, you need to perform another setup step for each normal user
+account from which you want to access GNUnet. First, grant the normal user
+(@code{$USER}) permission to the group gnunet:
+
+@example
+# adduser $USER gnunet
+@end example
+
+@noindent
+Then, create a configuration file in @file{~/.config/gnunet.conf} for the
+$USER with the lines:
+
+@example
+[arm]
+SYSTEM_ONLY = NO
+USER_ONLY = YES
+@end example
+
+@noindent
+This will ensure that @code{gnunet-arm} when started by the normal user
+will only run services that are per-user, and otherwise rely on the
+system-wide services.
+Note that the normal user may run gnunet-setup, but the
+configuration would be ineffective as the system-wide services will use
+@file{/etc/gnunet.conf} and ignore options set by individual users.
+
+Again, each user should then start the peer using
+@file{gnunet-arm -s} --- and strongly consider adding logic to start
+the peer automatically to their crontab.
+
+Afterwards, you should see two (or more, if you have more than one USER)
+@code{gnunet-service-arm} processes running in your system.
+
+@node Killing GNUnet services
+@subsection Killing GNUnet services
+
+It is not necessary to stop GNUnet services explicitly when shutting
+down your computer.
+
+It should be noted that manually killing "most" of the
+@code{gnunet-service} processes is generally not a successful method for
+stopping a peer (since @code{gnunet-service-arm} will instantly restart
+them). The best way to explicitly stop a peer is using
+@code{gnunet-arm -e}; note that the per-user services may need to be
+terminated before the system-wide services will terminate normally.
+
+@node Access Control for GNUnet
+@subsection Access Control for GNUnet
+
+This chapter documents how we plan to make access control work within the
+GNUnet system for a typical peer. It should be read as a best-practice
+installation guide for advanced users and builders of binary
+distributions. The recommendations in this guide apply to POSIX-systems
+with full support for UNIX domain sockets only.
+
+Note that this is an advanced topic. The discussion presumes a very good
+understanding of users, groups and file permissions. Normal users on
+hosts with just a single user can just install GNUnet under their own
+account (and possibly allow the installer to use SUDO to grant additional
+permissions for special GNUnet tools that need additional rights).
+The discussion below largely applies to installations where multiple users
+share a system and to installations where the best possible security is
+paramount.
+
+A typical GNUnet system consists of components that fall into four
+categories:
+
+@table @asis
+
+@item User interfaces
+User interfaces are not security sensitive and are supposed to be run and
+used by normal system users.
+The GTK GUIs and most command-line programs fall into this category.
+Some command-line tools (like gnunet-transport) should be excluded as they
+offer low-level access that normal users should not need.
+@item System services and support tools
+System services should always run and offer services that can then be
+accessed by the normal users.
+System services do not require special permissions, but as they are not
+specific to a particular user, they probably should not run as a
+particular user. Also, there should typically only be one GNUnet peer per
+host. System services include the gnunet-service and gnunet-daemon
+programs; support tools include command-line programs such as gnunet-arm.
+@item Priviledged helpers
+Some GNUnet components require root rights to open raw sockets or perform
+other special operations. These gnunet-helper binaries are typically
+installed SUID and run from services or daemons.
+@item Critical services
+Some GNUnet services (such as the DNS service) can manipulate the service
+in deep and possibly highly security sensitive ways. For example, the DNS
+service can be used to intercept and alter any DNS query originating from
+the local machine. Access to the APIs of these critical services and their
+priviledged helpers must be tightly controlled.
+@end table
+
+@c FIXME: The titles of these chapters are too long in the index.
+
+@menu
+* Recommendation - Disable access to services via TCP::
+* Recommendation - Run most services as system user "gnunet"::
+* Recommendation - Control access to services using group "gnunet"::
+* Recommendation - Limit access to certain SUID binaries by group "gnunet"::
+* Recommendation - Limit access to critical gnunet-helper-dns to group "gnunetdns"::
+* Differences between "make install" and these recommendations::
+@end menu
+
+@node Recommendation - Disable access to services via TCP
+@subsubsection Recommendation - Disable access to services via TCP
+
+GNUnet services allow two types of access: via TCP socket or via UNIX
+domain socket.
+If the service is available via TCP, access control can only be
+implemented by restricting connections to a particular range of IP
+addresses.
+This is acceptable for non-critical services that are supposed to be
+available to all users on the local system or local network.
+However, as TCP is generally less efficient and it is rarely the case
+that a single GNUnet peer is supposed to serve an entire local network,
+the default configuration should disable TCP access to all GNUnet
+services on systems with support for UNIX domain sockets.
+As of GNUnet 0.9.2, configuration files with TCP access disabled should be
+generated by default. Users can re-enable TCP access to particular
+services simply by specifying a non-zero port number in the section of
+the respective service.
+
+
+@node Recommendation - Run most services as system user "gnunet"
+@subsubsection Recommendation - Run most services as system user "gnunet"
+
+GNUnet's main services should be run as a separate user "gnunet" in a
+special group "gnunet".
+The user "gnunet" should start the peer using "gnunet-arm -s" during
+system startup. The home directory for this user should be
+@file{/var/lib/gnunet} and the configuration file should be
+@file{/etc/gnunet.conf}.
+Only the @code{gnunet} user should have the right to access
+@file{/var/lib/gnunet} (@emph{mode: 700}).
+
+@node Recommendation - Control access to services using group "gnunet"
+@subsubsection Recommendation - Control access to services using group "gnunet"
+
+Users that should be allowed to use the GNUnet peer should be added to the
+group "gnunet". Using GNUnet's access control mechanism for UNIX domain
+sockets, those services that are considered useful to ordinary users
+should be made available by setting "UNIX_MATCH_GID=YES" for those
+services.
+Again, as shipped, GNUnet provides reasonable defaults.
+Permissions to access the transport and core subsystems might additionally
+be granted without necessarily causing security concerns.
+Some services, such as DNS, must NOT be made accessible to the "gnunet"
+group (and should thus only be accessible to the "gnunet" user and
+services running with this UID).
+
+@node Recommendation - Limit access to certain SUID binaries by group "gnunet"
+@subsubsection Recommendation - Limit access to certain SUID binaries by group "gnunet"
+
+Most of GNUnet's SUID binaries should be safe even if executed by normal
+users. However, it is possible to reduce the risk a little bit more by
+making these binaries owned by the group "gnunet" and restricting their
+execution to user of the group "gnunet" as well (4750).
+
+@node Recommendation - Limit access to critical gnunet-helper-dns to group "gnunetdns"
+@subsubsection Recommendation - Limit access to critical gnunet-helper-dns to group "gnunetdns"
+
+A special group "gnunetdns" should be created for controlling access to
+the "gnunet-helper-dns".
+The binary should then be owned by root and be in group "gnunetdns" and
+be installed SUID and only be group-executable (2750).
+@b{Note that the group "gnunetdns" should have no users in it at all,
+ever.}
+The "gnunet-service-dns" program should be executed by user "gnunet" (via
+gnunet-service-arm) with the binary owned by the user "root" and the group
+"gnunetdns" and be SGID (2700). This way, @strong{only}
+"gnunet-service-dns" can change its group to "gnunetdns" and execute the
+helper, and the helper can then run as root (as per SUID).
+Access to the API offered by "gnunet-service-dns" is in turn restricted
+to the user "gnunet" (not the group!), which means that only
+"benign" services can manipulate DNS queries using "gnunet-service-dns".
+
+@node Differences between "make install" and these recommendations
+@subsubsection Differences between "make install" and these recommendations
+
+The current build system does not set all permissions automatically based
+on the recommendations above. In particular, it does not use the group
+"gnunet" at all (so setting gnunet-helpers other than the
+gnunet-helper-dns to be owned by group "gnunet" must be done manually).
+Furthermore, 'make install' will silently fail to set the DNS binaries to
+be owned by group "gnunetdns" unless that group already exists (!).
+An alternative name for the "gnunetdns" group can be specified using the
+@code{--with-gnunetdns=GRPNAME} configure option.
+