Date: Fri, 14 Aug 1998 13:03:18 -0400 (EDT) From: Garrett Wollman <wollman@khavrinen.lcs.mit.edu> To: Satya Palani <satya@longshadows.com> Cc: security@FreeBSD.ORG Subject: Re: Sendmail greeting Message-ID: <199808141703.NAA05937@khavrinen.lcs.mit.edu> In-Reply-To: <Pine.NEB.3.96.980814093553.22336A-100000@ns1.netcorps.com> References: <199808140111.VAA02156@khavrinen.lcs.mit.edu> <Pine.NEB.3.96.980814093553.22336A-100000@ns1.netcorps.com>
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<<On Fri, 14 Aug 1998 09:40:32 -0700 (PDT), Satya Palani <satya@longshadows.com> said: >> 220 khavrinen.lcs.mit.edu ESMTP server ready at Thu, 13 Aug 1998 21:10:03 -0400 (EDT) >> >> ...which doesn't leak any version information at all. > Of course, the version number is still being broadcast through the > headers. Take this message, for example: That doesn't bother me -- the attacker would have to find mail messages from me, which were archived without the usual header stripping. `mscan' doesn't know how to do this -- it might learn how to exploit future sendmail flaws. -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 security" in the body of the message
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