> > Hello Mark, > > thanks for your Reply. I have checked the cache.log file and there is a > suspicious entry in it. > > Most of the time, when I try to access web-sites, I get this message: > > 2006/03/02 11:07:51| TCP connection to ourisaserver/portnumber failed > 2006/03/02 11:07:51| TCP connection to ourisaserver/portnumber failed > 2006/03/02 11:07:51| TCP connection to ourisaserver/portnumber failed > > Do you have any idea how these lines can be interpreted and eventually, even > be solved ? > It means that SQUID can not reach the parent; rather often. Is there any firewall equipment in between SQUID and the parent; Also check the parents equivalent of cache.log; watchout for any errors in there. M.