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Hanging auth / CLOSE_WAIT connections
I have seen this problem discussed before, but don't recall a solution.
After running my server for any amount of time, netstat shows an
accumulating number of connections to the 'auth' port in a perpetual
Here is an example snipped from netstat:
tcp 10 0 www.mennolink.org:auth river.netrover.co:38360 CLOSE_WAIT
tcp 10 0 www.mennolink.org:auth mail4.transport.c:29734 CLOSE_WAIT
tcp 10 0 www.mennolink.org:auth shell.net-thing.n:12305 CLOSE_WAIT
Currently the server has been up for 6 days and shows 48 such entries,
which won't go away until I reboot. Is this a bad thing? It is annoying
to have to wait for netstat to look up all of the host names of these
old entries just so I can see the current ones. How can I get these things
to timeout, if they don't close down normally?
Recently I upgraded to the 2.2.6 kernel and reinstalled the networking
package (from slackware distribution). I was sort of expecting this to
go away, but no such luck.