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Unfortunately the performance of DansGuardian/Squid when first .. for rebuilding DansGuardian, see question Usage#11c in the Wiki FAQ. DansGuardian is an award winning Open Source web content filter which currently runs on Linux, FreeBSD, OpenBSD, NetBSD, Mac OS X. DansGuardian is an award winning Open Source web content filter which DansGuardian is excellent at filtering pages from the Internet as it . Content is available under GNU Free Documentation License or later.

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And even that probably won’t need to be done very often.

Dansguardian Internet Content Filtering

Especially with BSD-derived kernels, kernel configuration parameter tuning may be necessary for a different reason than performance: DansGuardian is designed to be completely flexible and allows you to tailor the filtering to your exact needs. This would allow you to ban access to the internet for a group or to give unfiltered access.

The performance of a DansGuardian system can be so good the filtering isn’t even detectable by users.

Edit them as you see fit. Include’d in banned…list’s, and whenever something is listed in both a banned…list and an exception…list, the exception…list listing takes precedence. This is an instance of DansguardianDeniedAction:: Especially avoid software RAID for anything other than mirroring. Your Operating system may allow you to lock down your browser proxy settings, an alternative is to use the tick box in the panel to block ports to stop the filter being bypassed.


So long as the helper says it’s okay, Squid will accept it, and DansGuardian will accept it too. And, as always, save and close your file. Suggest changes to some of the sample blacklist download scripts to make them more cautious.

The exception lists override the banned lists also. With authenticated users you can filters users differently, This is set by creating SME groups. Documentatoon ignore all the sections that aren’t relevant to your documsntation.

If your users legitimately access a few specific systems by IP address, you can list those IP addresses in ‘exceptionsitelist’ if this isn’t convenient, you can even make clever entries in ‘exceptionregepurllist’ to allow access to systems by IP address for some particular purpose such as webmail.

Ubuntu Hardy and DansGuardian, Page 6 – Configuring DansGuardian

Bug reports and pull requests are welcome on GitHub at https: If you know about HTMLedit this file to your heart’s content. But saying so every time would make this document even longer. Substandard network wiring or equipment can cause the end user computers connected through it to behave docuemntation.

Try to go to any old documentatipn, like google. You add records to the default lists in the Lists Configuration page. You must have some sort of authentication to be able to map users to a group.

This process does not happen by default. Make it a ‘cron’ job, with the frequency parameters matching your blacklist subscription. Duplicate Article This article covers the same material as another article.

Phraselist configuration and Editing. All users default to filter group 1. Include statements that refer to any nonexistent file in the blacklist area, and comment them all out. Rather, the algorithms figure that if a certain threshold of dirty words is reached on a page, odds are there are also pornographic visual materials on the page and the page is therefore blocked.


Ident can be misled by multiple logins on the same PC. Affects a URL that contains a pattern that is matched by a unix regular expression. Modify docymentation source code and rebuild the helper program.

To make a memory measurement, let at least ten minutes elapse after the filter starts, docukentation arrange for some non-trivial system load.

Dansguardian Denied Action

For both configuration families you’ll need IPtables or something similaralthough only for one or a few settings. Three files can be used, but weighted must exist for the group the be recognised.

The few parts that are 2. Here we assume the DansGuardian input port is and the Squid input port is beware: This is not a solution however; the alternative of completely skipping authentication of users from some source computers has several drawbacks, including:. Please dajsguardian if you’d like more formats supported.

One filtering method used by DansGuardian is to check whether the web site being visited is listed in categorized blacklists.