DANSGUARDIAN DOCUMENTATION PDF

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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Not Until It Works.

Dansguardian-panel – SME Server

Such constructs are never necessary, and prevent many internal optimizations. Even after skipping is prevented, an end user may still be able to connect right through DansGuardian to an external proxy site and hop onward to a restricted site, or to avoid web ports completely with some anonymizer tools.

Go directly to the Squid test procedures for the type of auth you are using. To be secure it uses a random hashed secret generated at daemon startup. Each filter group can have their own custom denied access page. As runaway child processes are now extremely rare, the prudence of this approach may not be particularly relevant any more.

To eliminate any possibility of skipping, you need to do two things: There’s no good reason to put up with much less. Prevent Circumventing the Filter.

And it’s a lot: However extreme mismatches between your …children parameters and your usage pattern can have a noticeable performance impact. The comments in the files in those directories provide all the instructions you should need to customize things.

Consider too that Anti-Virus scanning is another function that generates an awful lot of disk file activity. We’ll use those launcher icons we created earlier to do this.

So just straightforward use of the exception…list’s is often the only overriding mechanism you’ll need. Users are part of the default filter group, until you create a 2nd filter group by selecting a group from the list of pre arranged SME groups. With your group information being automatically injected into DansGuardian like this so frequently, it becomes irrelevant whether DansGuardian uses the groupname directly or indirectly.

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In this configuration whenever you add a new site exception you know it will always go in DansGuardian. Especially dansgguardian software RAID for anything other than mirroring. One of its side effects will be to prevent skipping around, so there still won’t be any problem. It does not purely filter based on a banned list of sites like lesser totally commercial filters.

DansGuardian Documentation Wiki

DansGuardian can easily be configured to have multiple filter configurations to provide varying degrees of web filtering to different groups of users. Bug reports and pull requests are welcome on GitHub at https: Below you’ll see a number of lists that are compatible with DansGuardian. The remaining two auth methods Ident and IP can still be used, but only in environments where each IP address can be traced to only one person at a time i.

Turning it on may make the DansGuardian logs easier to analyze, but at a significant performance cost. This works by default with the Internet Explorer IE browser, and can also be made to work with the Firefox browser. Create a user password file and assign users to groups.

So long as the helper says it’s okay, Squid will accept it, and DansGuardian will accept it too. Overview interfaces, features, and technology. How to run system tests rspec The output should look something like this: Users on your LAN can have their web browsing filtered, to block objectionable sites, to perform realtime virus scanning of browsing, or to satisfy a regulatory requirement. That is, all sites will be blocked that you don’t explicitly allow.

You configure the number of filter groups in the dansguardian. When browsers get the request for credentials, they just pass it along to the OSwhich answers with the credentials the user used to login with. With Squid out of the way, we can finally get on to the filter, DansGuardian. So you may need to go back and change to your Squid configuration again. Double-check doxumentation no unnecessary applications are running, double-check that no GUI X11 etc.

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In the vast majority of cases use of Regular Expressions does not cause any problem performance or otherwise at all. Create your own lists by making a new directory. But don’t do this if vansguardian applications share the same disk partition, as some applications [obviously not Squid] do not dansguardoan correctly with this mount parameter.

Some of the comments in dcumentation. Remember automatically launched ‘cron’ jobs don’t have the same environment as during your interactive testing; only a skeleton environment is provided for ‘cron’ jobs. A good guideline is to simply turn the …children parameters up until the computer begins to swap heavily, then turn them back down until the computer stops swapping.

An observer is an instance of a class that has an update method defined.

A third possibility if the information is stored in LDAP is to use ldapsearch. An alternative or additional method of control is to use a script to change db settings with cron. This problem may also affect several of the recommended solutions below.

This may be sufficient if you update your blacklists frequently and http s: If possible dansguwrdian to them all. They either allow or deny documentatioon page depending on the settings. First create create additional directories as necessary:.