Date: Mon, 10 Jan 2005 11:59:18 -0500 From: Danny <nocmonkey@gmail.com> To: Len Conrad <LConrad@go2france.com> Cc: freebsd-questions@freebsd.org Subject: Re: buildup of Windows time_wait talking to fbsd 4.10 Message-ID: <addc34c60501100859bd97f15@mail.gmail.com> In-Reply-To: <6.1.1.1.2.20050110103857.045a9a68@81.255.84.73> References: <6.1.1.1.2.20050110103857.045a9a68@81.255.84.73>
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On Mon, 10 Jan 2005 10:53:39 -0600, Len Conrad <LConrad@go2france.com> wrote: > > We have a windows mailserver that relays its outbound to a fbsd > gateway. We changed to a different fbsd gateway running 4.10. Windows then > began having trouble sending to 4.10. Windows "netstat -an" shows dozens > of lines like this: > > source IP desitination IP > ====================================================================== > TCP 10.1.16.3:1403 192.168.200.59:25 TIME_WAIT > TCP 10.1.16.3:1407 192.168.200.59:25 TIME_WAIT > TCP 10.1.16.3:1415 192.168.200.59:25 TIME_WAIT > TCP 10.1.16.3:1419 192.168.200.59:25 TIME_WAIT > TCP 10.1.16.3:1435 192.168.200.59:25 TIME_WAIT > TCP 10.1.16.3:1462 192.168.200.59:25 TIME_WAIT > TCP 10.1.16.3:1470 192.168.200.59:25 TIME_WAIT > TCP 10.1.16.3:1473 192.168.200.59:25 TIME_WAIT > TCP 10.1.16.3:1478 192.168.200.59:25 TIME_WAIT > TCP 10.1.16.3:1493 192.168.200.59:25 TIME_WAIT > TCP 10.1.16.3:1504 192.168.200.59:25 TIME_WAIT > TCP 10.1.16.3:1507 192.168.200.59:25 TIME_WAIT > TCP 10.1.16.3:1508 192.168.200.59:25 TIME_WAIT > TCP 10.1.16.3:1521 192.168.200.59:25 TIME_WAIT > TCP 10.1.16.3:1526 192.168.200.59:25 TIME_WAIT > TCP 10.1.16.3:1546 192.168.200.59:25 TIME_WAIT > TCP 10.1.16.3:1550 192.168.200.59:25 TIME_WAIT > TCP 10.1.16.3:1568 192.168.200.59:25 TIME_WAIT > TCP 10.1.16.3:1571 192.168.200.59:25 TIME_WAIT > TCP 10.1.16.3:1589 192.168.200.59:25 TIME_WAIT > TCP 10.1.16.3:1592 192.168.200.59:25 TIME_WAIT > TCP 10.1.16.3:1616 192.168.200.59:25 TIME_WAIT > TCP 10.1.16.3:1620 192.168.200.59:25 TIME_WAIT > TCP 10.1.16.3:1629 192.168.200.59:25 TIME_WAIT > TCP 10.1.16.3:1644 192.168.200.59:25 TIME_WAIT > TCP 10.1.16.3:1647 192.168.200.59:25 TIME_WAIT > TCP 10.1.16.3:1654 192.168.200.59:25 TIME_WAIT > > Eventually, the windows SMTP logs line like "cannot connect to remote IP" > or "address already in use" because no local tcp/ip sockets are available, > we think. > > The new gateway/fbsd 4.10 "sockstat -4" shows no corresponding tcp > connections when the Windows server is showing as above. On the fbsd 4.10 > machines, smtp logs, syslog, and dmesg show no errors. > > We switch the windows box to smtp gateway towards the old box/fbsd 4.7, all > is cool. > > Suggestions with how to proceed debugging, please. > > I'm trying to get the dmesg.boot for the 4.7 and 4.10 boxes now, sorry. What shows up when you run a network sniffer on either machines? ...D
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