Date: Tue, 24 Aug 2004 12:16:38 +0300 From: Pavel Gulchouck <gul@gul.kiev.ua> To: freebsd-net@freebsd.org Subject: FIN_WAIT_2 timeout Message-ID: <20040824091638.GE27112@happy.kiev.ua>
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Hi. I have hangs tcp-sessions in the FIN_WAIT_2 state, in which packets sends to remote for several days. Sockstate tells none aboute its, restart httpd has no effect. http://httpd.apache.org/docs/misc/fin_wait_2.html says that FreeBSD has a timeout for FIN_WAIT_2 state, but I don't see it. Number of such sessions grows according to uptime. FreeBSD 5.2.1-RELEASE-p9. Any suggestions? root@racoon:~>netstat -na | fgrep 195.248.160.78 tcp4 0 0 193.109.240.55.80 195.248.160.78.59843 FIN_WAIT_2 tcp4 0 0 193.109.240.55.80 195.248.160.78.56084 FIN_WAIT_2 tcp4 0 0 193.109.240.55.80 195.248.160.78.37466 FIN_WAIT_2 tcp4 0 0 193.109.240.55.80 195.248.160.78.31848 FIN_WAIT_2 [...] root@racoon:~>sockstat | fgrep 195.248.160.78 root@racoon:~>netstat -na | grep -c FIN_WAIT_2 419 tcpdump shows: 20:43:54.922521 hosting.itpark.com.ua.http > 195.248.160.78.48714: . ack 3765418226 win 0 20:43:54.923546 hosting.itpark.com.ua.http > 195.248.160.78.48714: . ack 1 win 65535 (DF) 20:44:09.920818 hosting.itpark.com.ua.http > 195.248.160.78.31848: . ack 3792205062 win 0 20:44:09.921773 hosting.itpark.com.ua.http > 195.248.160.78.31848: . ack 1 win 65535 (DF) -- Lucky carrier, Pavel.
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