On Sat, 2012-11-10 at 15:30 +0200, Pavel Bychykhin wrote: > Fragment from log of Squid 3.2: > 2012/11/10 14:31:08.157 kid1| fwdConnectStart: got outgoing addr 0.0.0.0, tos 12 > 2012/11/10 14:31:08.157 kid1| The AsyncCall fwdConnectDoneWrapper constructed, this=0x28fbb340 [call982] > 2012/11/10 14:31:08.157 kid1| peer_select.cc(87) peerSelectStateFree: http://www.myip.ru/ru-RU/index.php > 2012/11/10 14:31:08.157 kid1| StoreEntry::unlock: key '2B27CF0FA399E53F4D6BDA4269A33291' count=2 > 2012/11/10 14:31:08.157 kid1| comm_openex: Attempt open socket for: 0.0.0.0 > 2012/11/10 14:31:08.157 kid1| comm_openex: Opened socket local=0.0.0.0 remote=[::] FD 12 flags=1 : family=2, type=1, protocol=6 > 2012/11/10 14:31:08.158 kid1| Ip::Qos::setSockTos: setsockopt(IP_TOS) on local=0.0.0.0 remote=[::] FD 12 flags=1: (22) Invalid argument Hmmm, not sure. Can you try some different TOS values and see if that makes any difference? Certainly with Linux, some values cannot be set, although why that would change between Squid versions I do not know. > Fragment from log of Squid 3.1: [...] > This instance of Squid is running in jail. May be it's a key to > problem? I wouldn't have thought it would make any difference, but can you try the other one in a jail?