On Mon, 15 Apr 2002, Lawrence Greenfield wrote:
> Date: Sun, 14 Apr 2002 18:35:18 -0500 > From: Gary Mills <[EMAIL PROTECTED]> > [...] > Yes, there is traffic every few seconds with `snoop': > > electra.cc.umanitoba.ca -> net41.anthro.umanitoba.ca TCP D=2034 S=110 >Ack=1055534117 Seq=3063126801 Len=1 Win=24656 > net41.anthro.umanitoba.ca -> electra.cc.umanitoba.ca TCP D=110 S=2034 >Ack=3063126801 Seq=1055534117 Len=0 Win=0 > > My guess is that the mail reader on the client disappeared. > > It appears that the client is still there (you have an active TCP > session) but I don't know if it's making progress. Are the sequence > numbers changing? > > It's almost as if someone Ctrl-z'd the pop client on their machine. > > Now, in terms on Cyrus: it's probably a bug (or at the very least a > misfeature) that we don't implement any sort of timeout on write. > This is mostly an implementation simplicity choice. > This can be a network problem. I've seen this multiple times on improperly configured DS3 circuits or if you have errors on your NIC. Do netstat -i or check your WAN circuits. -Igor
