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I'm running an application with a bit of a bug in
it. If you establish a TCP connection to it, and do not send a session command,
the string "bye," to this application it leaves some funny states displayed by
netstat. (note: saying bye isn't always an option)
tcp
0 0
127.0.0.1:9000
127.0.0.1:1679
CLOSE_WAIT
tcp
0 0
127.0.0.1:9000
127.0.0.1:1635
CLOSE
(there are about 2000 of them listed, fortunately I
have 16000 descriptors to play with... so I have a couple days to fix
this)
I can understand netstat -an displaying descriptors
in a CLOSE_WAIT, but in a CLOSE state? I've seen many of these listed in a close
state for upwards of 2 days...
Can anyone tell me the kernel timeout value of a
CLOSE, or is there one?
Can I adjust these values via proc?
Is this a 2.2 Kernel bug?
I've set
echo 1800 >
/proc/sys/net/ipv4/tcp_keepalive_time
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