From owner-freebsd-security Sun Jul 8 19:32:45 2001 Delivered-To: freebsd-security@freebsd.org Received: from mail.kyx.net (s216-232-31-82.bc.hsia.telus.net [216.232.31.82]) by hub.freebsd.org (Postfix) with ESMTP id 7E3BE37B401 for ; Sun, 8 Jul 2001 19:32:42 -0700 (PDT) (envelope-from dr@kyx.net) Received: from smp.kyx.net (unknown [10.22.22.45]) by mail.kyx.net (Postfix) with SMTP id 692141DC03; Sun, 8 Jul 2001 19:39:40 -0700 (PDT) From: Dragos Ruiu Organization: kyx.net To: Mike Silbersack , Subject: Re: FW: Small TCP packets == very large overhead == DoS? Date: Sun, 8 Jul 2001 19:24:29 -0700 X-Mailer: KYX-CP/M [version core00-mail-92] Content-Type: text/plain Cc: Darren Reed , Yonatan Bokovza , "'freebsd-security@freebsd.org'" References: <20010708200041.A26132-100000@achilles.silby.com> <0107081922111G.08020@smp.kyx.net> In-Reply-To: <0107081922111G.08020@smp.kyx.net> MIME-Version: 1.0 Message-Id: <0107081929561H.08020@smp.kyx.net> Content-Transfer-Encoding: 8bit Sender: owner-freebsd-security@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org On Sun, 08 Jul 2001, Dragos Ruiu wrote: > > > > > The absolute minimum MTU for IP is 68 (RFC791). > > > > > > > > Yeah, enough for 64bytes of header options and 8 bytes of fragmented > > > > data. Not what I'd call a "useful" minimum. In some applications like streaming, latency or retransmission efficiency is more important than data throughput efficiency. "Useful" differs in meaning depending on your application. --dr To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message