Date: Fri, 6 Jun 1997 09:15:36 +0400 From: Vadim Kolontsov <vadim@tversu.ac.ru> To: security@FreeBSD.ORG Subject: Re: sequence predictability (fwd) Message-ID: <19970606091536.08429@tversu.ac.ru> In-Reply-To: <Pine.SUN.3.93l.970605092540.9675A-100000@apriori.cc.cmu.edu>; from Robert N Watson on Thu, Jun 05, 1997 at 09:26:31AM -0400 References: <Pine.SUN.3.93l.970605092540.9675A-100000@apriori.cc.cmu.edu>
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On Thu, Jun 05, 1997 at 09:26:31AM -0400, Robert N Watson wrote: > > Having seen this post on the ntbugtraq mailing list, I was wondering how > preditcabkle sequence numbers in FreeBSD TCP connections were.. And is > this an accurate measurement? > > Thanks > How about implementing random choosing of start TCP sequence number? Of course, it need crypotographicaly strong random numbers generator.. I think it will help a lot against TCP seq.numbers predictability attacks.. Best regards sb -------------------------------------------------------------------------- Vadim Kolontsov SysAdm/Programmer Tver Regional Center of New Information Technologies Networks Lab
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