Hi, i'm having the exact same problem in 2 different squid3 instances. The other URLs I have found problems with are: * www.aeat.es * www.agenciatributaria.es * www.madrid.es They simply redirect to Apache's index.html in the Linux box where the Squid is in. I still have no clue of what's going on with these particular sites, but we dont have any deny rule or anything relating to those URLs or their resolving IP addresses. If you have found any clue about these behaviour, please let me now. Thanks. -- View this message in context: http://squid-web-proxy-cache.1019090.n4.nabble.com/Strange-problem-with-some-sites-403-and-no-connection-tp4665328p4665721.html Sent from the Squid - Users mailing list archive at Nabble.com.