Date: Mon, 8 Jul 2002 17:22:51 -0400 From: Klaus Steden <klaus@compt.com> To: Peter Pentchev <roam@ringlet.net> Cc: twig les <twigles@yahoo.com>, "Dalin S. Owen" <dowen@nexusxi.com>, Laurence Brockman <laurence@fluxinc.com>, security@FreeBSD.ORG Subject: Re: hiding OS name Message-ID: <20020708172251.K13139@cthulu.compt.com> In-Reply-To: <20020708183726.GA363@straylight.oblivion.bg>; from roam@ringlet.net on Mon, Jul 08, 2002 at 09:37:26PM %2B0300 References: <20020708111122.A33379@nexusxi.com> <20020708175214.31781.qmail@web10104.mail.yahoo.com> <20020708141342.G13139@cthulu.compt.com> <20020708183726.GA363@straylight.oblivion.bg>
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> > I know I'm going to regret posting in this thread, but so be it :) > > Does your friend know that, unlikely as it is made by modern ingress and > egress routing practices, IP spoofing is still not quite ruled out? > Will your friend's portsentry setup happily blackhole e.g. his ISP's > nameserver, or the root nameservers, or www.cnn.com's IP addresses, > simply because somebody found a way to send a TCP SYN packet with a > forged source address to e.g. your friend's machine's port 3? :) > That's his problem, though, not mine. :> Klaus To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message
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