----- Mensagem Original----- De: jeff donovan <donovan@xxxxxxxxxxxxxx> Para: Clemente Aguiar <ca-lists@xxxxxxxxxxxxxxxxxxx> Cc: squid-users@xxxxxxxxxxxxxxx Assunto: Re: Cannot access site - TCP_MISS/504 Data: Tue, 31 Mar 2009 21:04:59 -0400 On Mar 31, 2009, at 11:42 AM, Clemente Aguiar wrote: > Setup: Squid-3.0-STABLE13 transparent proxy using WCCPv2 > > When I try to access the site the URL http://sandbox.tagle.it I get a > time out message: > > ------- > The following error was encountered while trying to retrieve the URL: > http://sandbox.tagle.it/ > > Connection to 72.27.230.81 failed. > > > The system returned: (110) Connection timed out > > The remote host or network may be down. Please try the request again. > ------- > > and I get the following entry in the access.log: > > ------- > 1238510098.006 179565 89.109.64.202 TCP_MISS/504 2413 GET > http://sandbox.tagle.it/ - DIRECT/72.27.230.81 text/html > ------- > > If I bypass the squid box altogether it works, i.e. I get asked for > authentication. > > > What could be the problem? turn squid off and tell me if the server squid is running on can access http://sandbox.tagle.it -------- Thank you for your tip. Actually it turned out that the server squid is running on could not access http://sandbox.tagle.it, not even ping the referred IP. After verification it seems that the problem is that the remote server (sandbox.tagle.it) is blocking the IP of our squid server.