Date: Fri, 18 Dec 1998 22:11:07 +0000 (GMT) From: Terry Lambert <tlambert@primenet.com> To: guido@gvr.org (Guido van Rooij) Cc: dg@root.com, freebsd-hackers@FreeBSD.ORG Subject: Re: tcp bug on reeBSD Message-ID: <199812182211.PAA12736@usr09.primenet.com> In-Reply-To: <19981216203558.A7912@gvr.org> from "Guido van Rooij" at Dec 16, 98 08:35:58 pm
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> > Ah..how stupid ;-() I indeed mixed up the server/client here. > > I;ll look later today exactly what my application (being mirror) wanted > > to send to the other side because that should not have happened at all. > > I checked why my mirror sent these 6 bytes. What happened was that > wcarchive had reached its maximum number of anonymous ftp users and > after howing the banner just closed the control connection. Before > my system got the FIN it tried to send a 'QUIT\r\n' which caused > the RST from wcarchive. FWIW, qpopper has a similar problem. If you use an APOP command to authenticate, and it has problems locking the database, it "-ERR"'s the APOP, but then immediately "+OK"'s a disconnect, even if you didn't ask for it. The correct behaviour (according to the RFC, but who's counting?) is to "-ERR" and allow the user to attempt a "USER/PASS" authentication instead (or "QUIT", if they are afraid of sending their password in the clear). Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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