From owner-freebsd-hackers Wed Jan 24 00:54:33 1996 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id AAA11051 for hackers-outgoing; Wed, 24 Jan 1996 00:54:33 -0800 (PST) Received: from irz301.inf.tu-dresden.de (irz301.inf.tu-dresden.de [141.76.1.11]) by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id AAA11028 for ; Wed, 24 Jan 1996 00:54:05 -0800 (PST) Received: from sax.sax.de by irz301.inf.tu-dresden.de (8.6.12/8.6.12-s1) with ESMTP id JAA20419; Wed, 24 Jan 1996 09:53:10 +0100 Received: by sax.sax.de (8.6.11/8.6.12-s1) with UUCP id JAA00115; Wed, 24 Jan 1996 09:51:49 +0100 Received: (from j@localhost) by uriah.heep.sax.de (8.7.3/8.6.9) id JAA09875; Wed, 24 Jan 1996 09:46:14 +0100 (MET) From: J Wunsch Message-Id: <199601240846.JAA09875@uriah.heep.sax.de> Subject: Re: Anybody know what this message means? To: mrcpu@cdsnet.net (Jaye Mathisen) Date: Wed, 24 Jan 1996 09:46:14 +0100 (MET) Cc: hackers@freebsd.org Reply-To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch) In-Reply-To: from "Jaye Mathisen" at Jan 23, 96 09:28:50 pm X-Phone: +49-351-2012 669 X-Mailer: ELM [version 2.4 PL23] MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Sender: owner-hackers@freebsd.org Precedence: bulk As Jaye Mathisen wrote: > > > This is from a tcpdump. > > > timestamp... xxx.xxx.xxx.xxx > host-on-my-net icmp: time exceeded in-transit > [tos 0xc0] The TTL (time-to-live) field of a packet got zero on transmission, so the sender was notified that it got dropped. This is the usual method how traceroute works, see the man page. -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-)