From owner-freebsd-net Sun Apr 23 8:49:35 2000 Delivered-To: freebsd-net@freebsd.org Received: from assaris.sics.se (assaris.sics.se [193.10.66.234]) by hub.freebsd.org (Postfix) with ESMTP id 42B0637B641; Sun, 23 Apr 2000 08:49:30 -0700 (PDT) (envelope-from assar@assaris.sics.se) Received: (from assar@localhost) by assaris.sics.se (8.9.3/8.9.3) id RAA09217; Sun, 23 Apr 2000 17:49:34 +0200 (CEST) (envelope-from assar) To: Robert Watson Cc: freebsd-net@FreeBSD.ORG Subject: Re: netkill - generic remote DoS attack (fwd) References: From: Assar Westerlund Date: 23 Apr 2000 17:49:34 +0200 In-Reply-To: Robert Watson's message of "Sat, 22 Apr 2000 14:24:23 -0400 (EDT)" Message-ID: <5ln1mkom0h.fsf@assaris.sics.se> Lines: 11 User-Agent: Gnus/5.070098 (Pterodactyl Gnus v0.98) Emacs/20.6 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org Robert Watson writes: > Any idea what the default idle time before keepalives kick in is? Is it really keep-alive that's interesting here? Isn't it the retransmission timer? If somebody is doing "mbuf exhaustion", we will have un-acked outstanding data. And it should be the same case with "process saturation". /assar To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message