From owner-freebsd-questions Tue Jan 23 03:44:13 1996 Return-Path: owner-questions Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id DAA04627 for questions-outgoing; Tue, 23 Jan 1996 03:44:13 -0800 (PST) Received: from gotha.vtcom.fr (gotha.vtcom.fr [193.252.254.17]) by freefall.freebsd.org (8.7.3/8.7.3) with ESMTP id DAA04598 for ; Tue, 23 Jan 1996 03:44:07 -0800 (PST) Received: from deepthought.sv.vtcom.fr by gotha.vtcom.fr; Tue, 23 Jan 1996 12:43:13 GMT Date: Tue, 23 Jan 1996 12:43:15 +0100 (MET) From: Jean-Paul POIRET To: FreeBSD questions cc: Gordon Burditt Subject: Re: Using NTP to set the date on my computer Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-questions@freebsd.org Precedence: bulk My firewall accepts UDP packets from port 123 to port 123, and from user ports to UDP 123 too. The ntptrace command works fine : ntptrace bitsy.mit.edu BITSY.MIT.EDU: stratum 1, offset 126.623387, synch distance 0.15448, refid 'WWV' And tcpdump gives this trace : 13:11:14.152247 193.252.254.21.3537 > 18.72.0.3.123: v1 client strat 0 poll 4 prec -6 13:11:14.154288 193.252.254.21.3537 > 18.72.0.3.123: v1 client strat 0 poll 4 prec -6 13:11:14.279097 18.72.0.3.123 > 193.252.254.21.3537: v1 server strat 1 poll 6 prec -6 13:11:14.281975 18.72.0.3.123 > 193.252.254.21.3537: v1 server strat 1 poll 6 prec -6 As you can see, bitsy.mit.edu (18.72.0.3) is responding to my computer (193.252.254.21) But the ntpdate command seems not running : ntpdate bitsy.mit.edu 23 Jan 11:55:43 ntpdate: no server suitable for synchronization found And tcpdump gave me this trace : 13:10:45.914287 193.252.254.21.123 > 18.72.0.3.123: v3 client strat 0 poll 4 prec -6 13:10:45.918978 193.252.254.21.123 > 18.72.0.3.123: v3 client strat 0 poll 4 prec -6 13:10:46.914637 193.252.254.21.123 > 18.72.0.3.123: v3 client strat 0 poll 4 prec -6 13:10:46.915713 193.252.254.21.123 > 18.72.0.3.123: v3 client strat 0 poll 4 prec -6 13:10:47.914323 193.252.254.21.123 > 18.72.0.3.123: v3 client strat 0 poll 4 prec -6 13:10:47.915688 193.252.254.21.123 > 18.72.0.3.123: v3 client strat 0 poll 4 prec -6 13:10:48.914397 193.252.254.21.123 > 18.72.0.3.123: v3 client strat 0 poll 4 prec -6 13:10:48.915747 193.252.254.21.123 > 18.72.0.3.123: v3 client strat 0 poll 4 prec -6 I suppose that my computer questions bitsy.mit.edu, but bitsy.mit.edu is not responding. Jean-Paul =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Jean-Paul POIRET Phone +33 1 46 12 67 90 Solutions Vocales Fax +33 1 46 12 67 00 40, rue Gabriel Crie E-mail jpp@sv.vtcom.fr 92245 Malakoff FRANCE =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=