PRIVOXY(1)                                                          PRIVOXY(1)


       privoxy - Privacy Enhancing Proxy


       privoxy  [--help  ]  [--version  ]  [--no-daemon ] [--pidfile pidfile ]
       [--user user[.group] ] [--chroot ] [configfile ] (UNIX)

       privoxy.exe [configfile ] (Windows)


       Privoxy may be invoked with the following command line options:

       --help Print brief usage info and exit.

              Print version info and exit.

              Don’t  become  a daemon, i.e.  don’t  fork  and  become  process
              group leader, don’t detach from controlling tty, and do all log-
              ging there.

       --pidfile pidfile
              On startup, write the process ID to pidfile.  Delete the pidfile
              on  exit.  Failure to create or delete the pidfile is non-fatal.
              If no --pidfile option is given, no PID file will be used.

       --user user[.group]
              After (optionally) writing the PID file, assume the user  ID  of
              user  and  the  GID  of group, or, if the optional group was not
              given, the default group of user. Exit if the privileges are not
              sufficient to do so.

              Before  changing  to  the  user  ID  given in the --user option,
              chroot to that user’s home directory, i.e. make the kernel  pre-
              tend  to  the  Privoxy  process  that  the directory tree starts
              there. If set up carefully, this can limit the impact of  possi-
              ble  vulnerabilities  in  Privoxy to the files contained in that

       If the configfile is not specified  on   the   command   line,  Privoxy
       will   look for a file named config in the current directory (except on
       Win32 where it will try config.txt). If no configfile is found, Privoxy
       will fail to start.


       Privoxy  is  a  web proxy with advanced filtering capabilities for pro-
       tecting privacy, modifying web page content, managing cookies, control-
       ling  access,  and  removing  ads, banners, pop-ups and other obnoxious
       Internet junk. Privoxy has a very flexible  configuration  and  can  be
       customized to suit individual needs and tastes. Privoxy has application
       for both stand-alone systems and multi-user networks.

       Privoxy is based on Internet Junkbuster (tm).


       Browsers must be individually configured  to  use  Privoxy  as  a  HTTP
       proxy.  The default setting is  for  localhost,  on port  8118 (config-
       urable in the main config file).  To set the HTTP proxy in Netscape and
       Mozilla,  go  through:   Edit; Preferences;  Advanced; Proxies;  Manual
       Proxy Configuration; View.

       For Internet Explorer, go through: Tools; Internet Properties;  Connec-
       tions; LAN Settings.

       The Secure (SSL) Proxy should also be set to the same values, otherwise
       https: URLs will not be proxied. Note: Privoxy can only proxy HTTP  and
       HTTPS traffic. Do not try it with FTP or other protocols.

       For other browsers, check the documentation.


       Privoxy  can  be  configured  with the various configuration files. The
       default  configuration   files   are:   config,   default.filter,   and
       default.action.  user.action  should be used for locally defined excep-
       tions to the default rules of default.action These are  all  well  com-
       mented.    On   Unix  and  Unix-like  systems,  these  are  located  in
       /etc/privoxy/ by default. On Windows, OS/2 and AmigaOS, these files are
       in the same directory as the Privoxy executable.

       The  name  and  number of configuration files has changed from previous
       versions. In fact, the configuration itself is changed  and  much  more
       sophisticated.  See  the  user-manual for a complete explanation of all
       configuration options and general usage, and notes for  upgrading  from
       Junkbuster and earlier Privoxy versions.

       The  actions list (ad blocks, etc) can also be configured with your web
       browser at  Privoxys configuration parame-
       ters  can also  be viewed at the same page. In addition, Privoxy can be
       toggled on/off.  This is an internal page, and does not require  Inter-
       net access.


       A  brief  example  of  what a simple default.action configuration might
       look like:

        # Define a few useful custom aliases for later use

        # Useful aliases
        +crunch-cookies = +crunch-incoming-cookies +crunch-outgoing-cookies
        -crunch-cookies = -crunch-incoming-cookies -crunch-outgoing-cookies
        +imageblock      = +block +handle-as-image

        # Fragile sites should have the minimum changes
        fragile     = -block -deanimate-gifs -fast-redirects -filter \
                      -hide-referer -prevent-cookies -kill-popups

        ## Turn some actions on ################################
        { \
        -add-header \
        -block \
        +deanimate-gifs{last} \
        -downgrade-http-version \
        -fast-redirects \
        +filter{html-annoyances} \
        +filter{js-annoyances} \
        +filter{content-cookies} \
        +filter{webbugs} \
        +filter{banners-by-size} \
        +hide-forwarded-for-headers \
        +hide-from-header{block} \
        +hide-referrer{forge} \
        -hide-user-agent \
        -handle-as-image \
        +set-image-blocker{pattern} \
        -limit-connect \
        +prevent-compression \
        +session-cookies-only \
        -crunch-cookies \
        -kill-popups \
        /   # ’/’ Matches *all* URL patterns

        # Block, and treat these URL patterns as if they were ’images’.
        # We would expect these to be ads.

        # Block any URLs that match these patterns

        # Make exceptions for these harmless ones that would be
        # caught by our +block patterns just above.

       Then for a user.action, we would put  local,  narrowly  defined  excep-

        # Re-define aliases as needed here

        # Useful aliases
        -crunch-cookies = -crunch-incoming-cookies -crunch-outgoing-cookies

        # Set personal exceptions to the policies in default.action #######

        # Sites where we want persistant cookies, so allow *all* cookies
        {-crunch-cookies -session-cookies-only}

        # This site breaks easily.
        {-block -fast-redirects}

       See  the  comments  in the configuration files themselves, or the user-
       manual for explanations of the above syntax, and other Privoxy configu-
       ration options.



       Various other files should be included, but may vary depending on plat-
       form and build configuration. More documentation should be included  in
       the local documentation directory.


       Privoxy  terminates  on  the  SIGINT,  SIGTERM and SIGABRT signals. Log
       rotation scripts may cause a re-opening of the  logfile  by  sending  a
       SIGHUP  to  Privoxy.  Note that unlike other daemons,  Privoxy does not
       need to be made aware of config file  changes  by  SIGHUP  --  it  will
       detect them automatically.


       Please see the User Manual on how to contact the developers for feature
       requests, reporting problems, and other questions.


       Other references and sites of interest to Privoxy users:, the Privoxy Home page., the Privoxy FAQ., the Project Page  for  Privoxy
       on SourceForge.,  the web-based user interface. Privoxy must
       be running for this to work. Shortcut: http://p.p/, to submit ‘‘misses’’ to  the  develop-
       ers.,    cool
       and fun ideas from Privoxy users., an explanation how cook-
       ies are used to track web users.,  the original Internet Junkbuster., Stefan Waldherr’s version of Junk-
       buster, from which Privoxy was derived.,  a  useful  site to check what information
       about you is leaked while you browse the web., a very popular  caching  proxy,  which  is
       often used together with Privoxy., the Privoxy developer manual.


        Hal Burgiss (docs)
        Andreas Oesterhelt
        David Schmidt (OS/2, Mac OSX ports)

        Johny Agotnes
        Rodrigo Barbosa (RPM specfiles)
        Moritz Barsnick
        Brian Dessent
        Mattes Dolak
        Jon Foster
        Karsten Hopp (Red Hat)
        Alexander Lazic
        Daniel Leite
        Gábor Lipták
        Adam Lock (Win32)
        Guy Laroche
        Haroon Rafique
        Roland Rosenfeld (Debian)
        Georg Sauthoff (Gentoo)
        Thomas Steudten
        Joerg Strohmayer (Amiga)
        Rodney Stromlund
        Sviatoslav Sviridov
        Sarantis Paskalis
        Stefan Waldherr


       Copyright  (C)  2001   -   2004   by   Privoxy   Developers   <develop->

       Some  source  code  is  based  on  code Copyright (C) 1997 by Anonymous
       Coders and Junkbusters, Inc. and licensed under the GNU General  Public

       Privoxy  is  free  software;  you  can redistribute it and/or modify it
       under the terms of the GNU General Public License, version 2,  as  pub-
       lished by the Free Software Foundation.

       This  program  is  distributed  in the hope that it will be useful, but
       WITHOUT ANY  WARRANTY;  without  even  the  implied  warranty  of  MER-
       Public License for more details, which is available from the Free Soft-
       ware  Foundation,  Inc,  59  Temple  Place  -  Suite  330,  Boston,  MA
       02111-1307, USA.

       You should have received a copy of  the   GNU  General  Public  License
       along  with  this  program; if not, write to the  Free Software Founda-
       tion, Inc. 59 Temple Place - Suite 330 Boston, MA 02111-1307 USA

Privoxy 3.0.3                   31 Januar 2004                      PRIVOXY(1)

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