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Re: [K12OSN] SquidGuard and Proxy Questions



You may also be able to configure your router/firewall to only accept inside connections coming from the squidguard box. It's simple, easy to test, but it doesn't address your google problem.

Petre

Mike Rambo wrote:
On Tue, 2005-01-04 at 08:40, Timothy Legge wrote:

Yes, that was one of the options but I will probably
just use an IPCOP/SquidGuard combination if I can work
out how to block google's safe search off option.



Use squidGuard url rewriting for this. Eric modified SG to do this seems
like back around the 3.1.x days (you can also rewrite urls for other
search engines to force them to use google and thereby safesearch). Last
I looked there were examples in the k12ltsp SG config file. There is
also support in SG to block users from accessing sites directly by ip
instead of name (ie. do an nslookup of badporn.com and access by ip
instead of typing badporn.com as the url) but it isn't enabled by
default in the k12ltsp squidGuard releases (not a big deal as all it
takes is !in-addr in the acl's). This is important because squidGuard
doesn't do a reverse lookup to check for blocked sites when the user
directly types an ip address instead of a url in a browser. squidGuard
was designed to be very lightweight and fast - reverse lookups would
slow SG down significantly.




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