I am serving a elementary school and they want me to put web-filter on the network connection to restrict access to porno and thelike.

I have been using proxy server who bans certain words but he is also blocking some service we need.

Our router is Windows 2003 server and I am looking for software to put on him to filter the webaccess.
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squidguard would be the reference but it does not run on windows

in elementary, you may also work it the other way round and only grant access to a list of known sites

some existing portals act as replacement portals and search engines and host huge lists of kid(friendly pages
I have used IPCop before, great product if you have just any extra workstation laying around with two NICs. Extremely stable and easy to setup. Redundancy may be a factor in your case if you only have one server to run it off of.
A free service is http://www.opendns.com/
You don't block anything yourself (you depend on a clean DNS list from them), and because it's free, you can try if this solution is satisfactory before you dish out money to hardware or software solutions.

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soffcecManagerAuthor Commented:
What Technic does opendns use ?
You use their dns services. It requires the least effort on your side to filter websites. You sign up, configure some categories to filter, and then point your dns settings to their servers. Whenever anyone types in for example sex.com in their browser, opendns will return their own ip, meaning it will show a "this page is blocked" page. And all the while, you didn't pay for anything, and you didn't have to install software on all pc's.
soffcecManagerAuthor Commented:
OpenDNS is working perfectly.
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Windows Server 2003

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