Thanks Amos, guess I learned something simple that I should have already known when troubleshooting these things always capture packets on both sides of squid. I was only looking at the data between the client PC and squid. Had I looked at the packets on the other side of squid I more than likely would have caught this one.
Thanks, Dean Weimer Network Administrator Orscheln Management Co > -----Original Message----- > From: Amos Jeffries [mailto:squ...@treenet.co.nz] > Sent: Wednesday, September 22, 2010 10:31 PM > To: squid-users@squid-cache.org > Subject: Re: [squid-users] One slow Website Through Proxy > > On Wed, 22 Sep 2010 16:00:32 -0400, "Chad Naugle" > <chad.nau...@travimp.com> > wrote: > > I am not sure what is causing the issue, but in my own test, IE8 > performed > > SLOOOWWWW by far (Using the PROD Proxy), where under Firefox 3.5.13 > (Using > > my DEV Proxy), the site was almost instantly available while the IE8 was > > STILL loading the same page. After the first load, my PROD Proxy under > IE8 > > loaded considerably faster, but not anywhere close to as fast as with > > Firefox 3.5.13, for the first attempt. > > > > > > --------------------------------------------- > > Chad E. Naugle > > Tech Support II, x. 7981 > > Travel Impressions, Ltd. > > > > > > > >>>> "Dean Weimer" <dwei...@orscheln.com> 9/22/2010 3:13 PM >>> > > I am running squid 3.1.8, and have one website that pauses for about 1 > to > > 2 minutes before loading. The website is www.pb.com (PitneyBowes). > There > > are no errors logged in the cache.log file, and nothing unusual in the > > access.log file. I have even done network packet captures and don't see > > anything unusual. The website responds fine when bypassing the proxy > and > > every other website appears to be fine through the proxy server. > > > > I have tested with both IE and Firefox, using my default wpad.dat script > > with auto detect and manually specifying the proxy server with no > change. > > And even tried turning HTTP/1.1 through proxy servers on and off at the > > browser, nothing seems to affect its behavior. > > > > Can any of you confirm whether or not this website is slow through your > > setups, or have any idea what could be causing this issue? > > > > The www.pb.com domain times out while resolving AAAA DNS records instead > of returning NXDOMAIN or SERVFAIL response. Default DNS timeout is 2 > minutes. After which Squid will use the A results to fetch the page. > > Amos
