Date: Wed, 25 Mar 1998 11:02:49 -0800 From: David Greenman <dg@root.com> To: Peter Edwards <peter.edwards@isocor.ie> Cc: Arman Hazairin <arman@ai3.net>, freebsd-hackers@FreeBSD.ORG Subject: Re: TCP connection hang Message-ID: <199803251902.LAA12049@implode.root.com> In-Reply-To: Your message of "Wed, 25 Mar 1998 13:17:26 GMT." <351903E6.FB041AEC@isocor.ie>
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>> Btw, I convert the binary file that i want to transmit into text using >> uuencode, and finaly i can transfer the file. >> But still no answer for this 'strange' behaviour. > >I hear a bell ringing in the distance. >This indicates that the problem is not related to the size of the data, but its >content. If the data-link path wasn't 8-bit clean (say, the SCO terminal device >was doing cr->cr-lf translations on the TCP packets for example), is it >possible that tcpdump shows the incoming (corrupted) packets coming up through >bpf but the TCP code discards them because the checksum is invalid? This would >explain why the FreeBSD box apparently "sees" the incoming packet, but the TCP >stack doesn't respond to it. If this is the case, then an examination of the 'netstat -s' stats should show this...Arman? -DG David Greenman Core-team/Principal Architect, The FreeBSD Project To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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