Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!decvax!ucbvax!SEI.CMU.EDU!pdb From: pdb@SEI.CMU.EDU.UUCP Newsgroups: mod.protocols.tcp-ip Subject: Help using ICMP under Ultrix ? Message-ID: <8612180441.AA01520@ci.sei.cmu.edu> Date: Wed, 17-Dec-86 23:41:56 EST Article-I.D.: ci.8612180441.AA01520 Posted: Wed Dec 17 23:41:56 1986 Date-Received: Thu, 18-Dec-86 22:09:53 EST Sender: daemon@ucbvax.BERKELEY.EDU Distribution: net Organization: The ARPA Internet Lines: 6 Keywords: networks ip icmp Approved: tcp-ip@sri-nic.arpa Can anyone give me some pointers about how to access ICMP under Ultrix/4.2BSD ? I'm trying to write a program to listen for ICMP messages and gather statistics about them. I have been able to get Echo Reply messages, but I haven't been able to get Echo Request, Host/Network unreachable, or routing redirects. --Pat.