Date: Wed, 27 Jun 2001 14:52:49 -0500 From: Glenn Johnson <gjohnson@srrc.ars.usda.gov> To: Jonathan Lemon <jlemon@flugsvamp.com> Cc: net@freebsd.org, kris@freebsd.org Subject: Re: select fails to return incoming connect on FreeBSD-4.3 Message-ID: <20010627145249.A10028@node7.cluster.srrc.usda.gov> In-Reply-To: <200106111937.f5BJb9o99898@prism.flugsvamp.com>; from jlemon@flugsvamp.com on Mon, Jun 11, 2001 at 02:37:10PM -0500 References: <local.mail.freebsd-net/20010611131207.A39225@node7.cluster.srrc.usda.gov> <200106111937.f5BJb9o99898@prism.flugsvamp.com>
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On Mon, Jun 11, 2001 at 02:37:10PM -0500, Jonathan Lemon wrote: > >Could someone take a look at PR misc/27880? > > This was broken by the initial sequence number patch to TCP. > > When the server closes the socket, it puts the entry into the > TIME_WAIT state. When a new SYN is received from the client while the > socket is in this state, the new connection is only accepted if the > new sequence number is > than the old one. > > Unfortunately, with a randomized seqence #, the new connection ISN may > be less than the old sequence used, and the SYN will be ignored. > > I've copied this over to kris, who (IIRC) brought in the new sequence > numbering. Has anyone had a chance to look at this and figure out what the fix might be? Thanks. -- Glenn Johnson USDA, ARS, SRRC Phone: (504) 286-4252 New Orleans, LA 70124 e-mail: gjohnson@srrc.ars.usda.gov To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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