Interoperability with QIP
Steven M. Bellovin
smb at research.att.com
Wed Mar 1 13:09:44 UTC 2000
In message <200003010934.BAA33683 at redpaul.mibh.net>, Paul A Vixie writes:
> It looks like the TCP connection could get stuck in FIN_WAIT_1 forever if
> they didn't ACK our FIN. Many TCP implementations limit the amount of
> time that can be spent in FIN_WAIT_2, but it's not obvious from looking at
> BSD or Linux code that they implement a timer for FIN_WAIT_1.
You don't need special code for that; the normal dead connection code should
take care of it. That is, if you don't see an ACK to something you've sent --
the FIN bit, in this case -- in 10 or so minutes, the kernel should declare
the connection dead.
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