ons 2006-04-05 klockan 11:12 +0800 skrev Bin Liu: > There is no traffic through squid box at that time, and I can use > fetch or wget tools download that web page completely just on the same > machine at the same time, and all squid boxes with various config I > have tested can not fetch that page any time in the day. So I don't > think this is a firewall or overload issue, it must be the > communication problem with squid and the server site. for me wget has about the same success/failure rate as Squid in getting speedy responses from the site. Quite often it just sits there with part of the response received.. sometimes it unlocks itself after considerable amount of time, but most of the time the origin server aborts the connection after it has been stuck for a little while. And sometimes it just works. After playing a little more with the site I still think the problem is wrongly tuned TCP retransmit timers at the origin server making it behave extremely poorly when there is packet loss, or maybe a overloaded firewall (at the origin) throwing away connections at random.. Could also be a overloaded reverse proxy of some other brand behaving extremely bad giving these symptoms. Imho the best way to get it resolved is to get hold of the admins of this reverse proxy cluster and have them fix it. Can't see any signs here that the issue is Squid related as such. Regards Henrik
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