# SquidGuard

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> Markdown URL: https://mediated.wiki/source/SquidGuard.md
> Source: https://en.wikipedia.org/wiki/SquidGuard
> Source revision: 1293998484
> License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/)

{{Short description|Content-control software}}
{{lowercase title}}

{{Infobox software
 |name                   = SquidGuard
 |logo                   = 
 |caption                =
 |developer              = 
 |latest_release_version = 1.4
 |latest_release_date    = {{release date and age|2009|01|03}}
 |operating_system       = Unix-like
 |genre                  = [Content-control software](/source/Content-control_software)
 |license                = [GPLv2](/source/GPLv2) 
 |website                = [http://squidguard.org/ squidguard.org]
}}

'''SquidGuard''' is a [URL redirector](/source/URL_redirector) software, which can be used for [content control](/source/content-control_software) of websites users can access. It is written as a [plug-in](/source/Plug-in_(computing)) for [Squid](/source/Squid_(software)) and uses [blacklists](/source/Blacklist_(computing)) to define sites for which access is redirected. SquidGuard must be installed on a [Unix](/source/Unix) or [Linux](/source/Linux) computer such as a server computer. The software's filtering extends to all computers in an organization, including [Windows](/source/Microsoft_Windows) and [Macintosh](/source/Mac_OS_X) computers.

It was originally developed by Pål Baltzersen and Lars Erik Håland, and was implemented and extended by Lars Erik Håland in the 1990s at [Tele Danmark](/source/Tele_Danmark) InterNordia.<ref>{{cite web |url=http://www.squidguard.org/history.html |title=SquidGuard |publisher=SquidGuard |date= |access-date=2012-07-20 |archive-date=2012-07-16 |archive-url=https://web.archive.org/web/20120716005133/http://www.squidguard.org/history.html |url-status=dead }}</ref> Version 1.4, the current stable version, was released in 2009,<ref name=changelog>{{Cite web | url=http://www.squidguard.org/Downloads/CHANGELOG | title=Squidguard Changelog | archive-url=https://web.archive.org/web/20081119083218/http://www.squidguard.org/Downloads/CHANGELOG | archive-date=2008-11-19 }}</ref>{{failed verification|date=October 2019}} and version 1.5 was in development as of 2010.<ref name=changelog/>{{failed verification|date=October 2019}} New features in version 1.4 included optional [authentication](/source/authentication) via a [MySQL](/source/MySQL) database.<ref>{{cite web |url=http://www.squidguard.org/Doc/1.4/features.html |title=SquidGuard |publisher=SquidGuard |date= |access-date=2012-07-20 |archive-url=https://web.archive.org/web/20120716005108/http://www.squidguard.org/Doc/1.4/features.html |archive-date=2012-07-16 |url-status=dead }}</ref>

SquidGuard is [free software](/source/free_software) licensed under the [GNU General Public License](/source/GNU_General_Public_License) (GPL) version 2. It is included in many [Linux distribution](/source/Linux_distribution)s including [Debian](/source/Debian),<ref>{{cite web|url=http://packages.debian.org/stable/squidguard |title=Debian - Details of package squidguard in squeeze |publisher=Packages.debian.org |date= |access-date=2012-07-20}}</ref> [openSUSE](/source/openSUSE)<ref>{{cite web|url=http://en.opensuse.org/SquidGuard |title=SquidGuard - openSUSE |publisher=En.opensuse.org |date=2010-05-18 |access-date=2012-07-20}}</ref><ref>{{cite book|url=https://books.google.com/books?id=h83Nt_8uWSsC&q=SquidGuard%E2%80%8E&pg=SA21-PA73|title=OpenSUSE 11.0 and SUSE Linux Enterprise Server Bible, Volume 1|author=Roger Whittaker, Justin Davies|date=21 March 2011|publisher=[John Wiley & Sons](/source/John_Wiley_%26_Sons)|pages=21–22|isbn=978-0470275870}}</ref> and [Ubuntu](/source/Ubuntu_(operating_system)).<ref>{{cite web|url=https://help.ubuntu.com/community/SquidGuard |title=SquidGuard - Community Ubuntu Documentation |publisher=Help.ubuntu.com |date=2009-11-23 |access-date=2012-07-20}}</ref>

==Blacklist Sources==
The url filtering capabilities of SquidGuard depend largely on the quality of the Blacklists used with it. Several options are available. Free lists can be found at Shallalist.de <ref>[http://www.shallalist.de/ Shallalist website] - This website does not provide any list anymore.</ref> or at Université Toulouse 1 Capitole.<ref>[http://dsi.ut-capitole.fr/blacklists/index_en.php Université Toulouse 1 Capitole website]</ref>

==See also==
{{Portal|Free and open-source software}}
*[DansGuardian](/source/DansGuardian)
*[Internet censorship](/source/Internet_censorship)
*[Content-control software](/source/Content-control_software)

==References==
<references />

==External links==
*{{Official website|http://www.squidguard.org/}}

Category:Content-control software
Category:Free network-related software
Category:Linux security software
Category:Unix network-related software
Category:Unix security-related software

{{Linux-stub}}
{{Unix-stub}}

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Adapted from the Wikipedia article [SquidGuard](https://en.wikipedia.org/wiki/SquidGuard) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/SquidGuard?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.