Endian Firewall Community and issues with the proxy: Connection reset by peer error 104
If your users behind Endian FW Proxy are getting “read error (104) connection reset by peer” when loading content, try to check if your proxy work fine browsing https://google.com ( works fine with ssl), but you get the 104 error otherwise, you have to update your blacklist for dansguardian because one of the blacklists updated on 10 feb 2011 is totally invalid.
Check for updates, fix manually or you can disable to content filter until you have a chance to update.