From owner-freebsd-net@FreeBSD.ORG Sun Apr 13 23:45:42 2003 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 880D837B40A for ; Sun, 13 Apr 2003 23:45:42 -0700 (PDT) Received: from relay.pair.com (relay.pair.com [209.68.1.20]) by mx1.FreeBSD.org (Postfix) with SMTP id BAA6643FA3 for ; Sun, 13 Apr 2003 23:45:41 -0700 (PDT) (envelope-from silby@silby.com) Received: (qmail 30181 invoked from network); 14 Apr 2003 06:45:40 -0000 Received: from niwun.pair.com (HELO localhost) (209.68.2.70) by relay.pair.com with SMTP; 14 Apr 2003 06:45:40 -0000 X-pair-Authenticated: 209.68.2.70 Date: Sun, 13 Apr 2003 20:41:51 -0500 (CDT) From: Mike Silbersack To: Barney Wolff In-Reply-To: <20030414011530.GA80964@pit.databus.com> Message-ID: <20030413203958.I93049@odysseus.silby.com> References: <109.225ca595.2bc723f2@aol.com> <20030412.204912.76964336.imp@bsdimp.com> <20030412.212059.42399637.imp@bsdimp.com> <20030414011530.GA80964@pit.databus.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: "M. Warner Losh" cc: net@freebsd.org Subject: Re: connect(2) behavior with unreacheable hosts X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 14 Apr 2003 06:45:42 -0000 On Sun, 13 Apr 2003, Barney Wolff wrote: > Mike, I don't think this is a security issue - the client gets an instant > SIGPIPE if it tries to write on the socket. I think telnet gets this. > > I did try traceroute, since it depends on time-exceeded. Worked fine. > Barney > > -- > Barney Wolff http://www.databus.com/bwresume.pdf Ok, so any properly written application will handle the case without issue, that's what I was curious about. I'll _try_ to get to committing the patch, but it'll be a few days at the minimum. Mike "Silby" Silbersack