Becuase the site is accessible direct, without going via squid, I am trying to eliminate the most obvious. and the window scaling issues http://wiki.squid-cache.org/KnowledgeBase/BrokenWindowSize Ivan On Tue, Mar 16, 2010 at 11:27 AM, Amos Jeffries <squid3@xxxxxxxxxxxxx> wrote: > On Tue, 16 Mar 2010 11:12:44 +1100, "Ivan ." <ivanhec@xxxxxxxxx> wrote: >> Hi, >> >> I am having some trouble accessing the site >> http://www.efirstaid.com.au/. I confirm the TCP SYN packet leaves our >> edge router, but I don't see anything back? > > And what makes you think packets failing to return to your network is > caused by Squid? > > Amos > >