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