Date: Tue, 23 Jan 1996 12:43:15 +0100 (MET) From: Jean-Paul POIRET <jpp@deepthought.sv.vtcom.fr> To: FreeBSD questions <freebsd-questions@freebsd.org> Cc: Gordon Burditt <gordon@sneaky.lerctr.org> Subject: Re: Using NTP to set the date on my computer Message-ID: <Pine.BSF.3.91.960123121645.24333A-100000@deepthought.sv.vtcom.fr>
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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 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
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