[squid-users] CLOSE_WAIT connections with ICAP

From: Daniel Beschorner <daniel.beschorner_at_evlks.de>
Date: Mon, 30 May 2011 14:17:47 +0200

> > Connections with FIN_WAIT1 state on ICAP server side seem ESTABLISHED at
> squid.
>
> ICAP-closed connection.
>
> Idle pconn in Squid have readers set listening for FIN to arrive and
> close the FD. This is strange but not conclusive.
>
> Looks a bit like the FIN never arrived.
>
> > Squid connections in CLOSE_WAIT state are no longer visible at ICAP server
> side.
>
> Squid-closed connection.
>
> FIN packet sent by both sides. FIN-ACK packet from ICAP server not
> arriving at Squid box. This confirms the FIN are not flowing right.
>
>
> Both cases are pointing to packets containing FIN not flowing from the
> ICAP server to Squid. Though strangely seem fine going in the other
> direction.

In both cases Squid has a large Recv-Q. Does Squid no longer empty the queue and therefore misses the FIN or should the FIN work out-of-band?

Daniel
Received on Mon May 30 2011 - 12:18:06 MDT

This archive was generated by hypermail 2.2.0 : Mon May 30 2011 - 12:00:05 MDT