[ubuntu] Squid and squidguard not working, proxy refusing connections

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http://ubuntuforums.org – Hey everyone, So I have been beating my head for the past week trying to get this DNS server up for a school that doesn't have the money to pay for a filtering service. I admit that I am a novice with Linux but I did the best I could of reading and learning about squid and squidguard to install and configure it. Now I feel confident with the installation of both squid and squidguard, I did not receive any errors with my installation, however my squid does not seem to be working. Firefox keeps telling me that my proxy server is refusing connections, so I feel like it's more of an is (Hardware)