Date: Sun, 30 Dec 2001 13:01:24 -0500 (EST) From: Mike Silbersack <silby@silby.com> To: Randall Stewart <randall@stewart.chicago.il.us> Cc: Bosko Milekic <bmilekic@technokratis.com>, <net@FreeBSD.ORG> Subject: Re: m_reclaim and a protocol drain Message-ID: <Pine.BSF.4.30.0112301300050.34235-100000@niwun.pair.com> In-Reply-To: <3C2F0D40.ADFE2B6F@stewart.chicago.il.us>
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On Sun, 30 Dec 2001, Randall Stewart wrote: > > Heh, you nailed the reverse of the problem we've seen: Right now the easy > > way to cause exhaustion is to fill up _send_ buffers, via netkill. I > > guess if we solve that problem, out of order segments could be used for an > > attack too. > > > > Mike: > > Interesting problem.. but I was thinking in terms of > a outside attacker.. not someone who has a login id on > your machine. That leads down another path... i.e. local > machine security. > > > R Heh, you don't have to be local to cause a machine to send you something. Just find a service which exists to send data (http, pop3, ftp, irc), and you're in business. Mike "Silby" Silbersack To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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