Date: Fri, 11 Sep 1998 08:10:00 -0700 (PDT) From: Garrett Wollman <wollman@khavrinen.lcs.mit.edu> To: freebsd-bugs@FreeBSD.ORG Subject: kern/7892: [PATCH] tcp_input does insufficient RST validation, also more general LAND attacks are possible Message-ID: <199809111510.IAA01535@freefall.freebsd.org>
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The following reply was made to PR kern/7892; it has been noted by GNATS. From: Garrett Wollman <wollman@khavrinen.lcs.mit.edu> To: gdonl@tsc.tdk.com Cc: FreeBSD-gnats-submit@FreeBSD.ORG Subject: kern/7892: [PATCH] tcp_input does insufficient RST validation, also more general LAND attacks are possible Date: Fri, 11 Sep 1998 11:02:00 -0400 (EDT) <<On Fri, 11 Sep 1998 01:13:55 -0700 (PDT), Don Lewis <Don.Lewis@tsc.tdk.com> said: > The following patch tightens up the RST validation. It also breaks the > loop in the general form of the "LAND" attack which would cause the sockets > to keep sending ACKs to each other, and it sends a RST to clean things up > in the case where we know something is amiss. Great job, Don. I'll commit this today if nobody beats me to it. -GAWollman -- Garrett A. Wollman | O Siem / We are all family / O Siem / We're all the same wollman@lcs.mit.edu | O Siem / The fires of freedom Opinions not those of| Dance in the burning flame MIT, LCS, CRS, or NSA| - Susan Aglukark and Chad Irschick To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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