This is the output of approx. 15 minutes: maar...@ubilap:~$ sudo tcpdump -i eth0 port 123 tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on eth0, link-type EN10MB (Ethernet), capture size 96 bytes 22:38:21.510268 IP ubilap.lan.ntp > 195-241-158-50.ip.telfort.nl.ntp: NTPv4, Client, length 48 22:38:21.543414 IP 195-241-158-50.ip.telfort.nl.ntp > ubilap.lan.ntp: NTPv3, Server, length 48
2 packets captured 2 packets received by filter 0 packets dropped by kernel Not very impressive I think. Maarten Jim MacKenzie wrote: > What happens if you do a tcpdump sniff on your Ubuntu box? > > tcpdump -i eth0 (or eth1 or whatever) port 123 > You might have to sudo it on Ubuntu. > > Jim > ----- Original Message ----- > From: "Maarten Deen" <[email protected]> > To: "timekeepers" <[email protected]> > Sent: Thursday, January 15, 2009 4:25 PM > Subject: [time] Trouble configuring ntp > > >>I just had my server crash and I'm now having trouble getting ntp to run >> properly again. >> It is Ubuntu 8.04 with normal ntp. >> >> On my machine everything seems to work. I can query ntp on the machine >> itself >> and I get a time when I ask from a windows computer. >> But it does not seem to be accessible remotely. >> >> I've tried removing all restrict lines from ntp.conf (I did restart ntp), >> but >> that does not seem to work. My firewall is configured to allow UDP port >> 123 >> pass. Yet, an ntpq -p results in a timeout. >> >> http://www.vanheusden.com/time/query_ntp_do.php tells me: >> >> Query NTP server >> If 82.95.91.106 is part of the NTP pool project, one can check its >> performance here. >> Output of NTP server at 82.95.91.106 >> ntpdate >> >> 15 Jan 23:16:23 ntpdate[7063]: ntpdate [email protected] Tue Sep 23 17:37:40 UTC >> 2003 (1) >> server 82.95.91.106, stratum 0, offset 0.000000, delay 0.00000 >> >> >> ntpq -c pe >> >> >> ntpq -crv >> >> >> ntpq -c ntpversion -c version >> >> NTP version being claimed is 2 >> ntpq [email protected] Tue Sep 23 17:38:05 UTC 2003 (1) >> >> >> ntpq -c associations >> >> >> ntptrace >> >> maasluip.xs4all.nl: *Timeout* >> >> >> I'm at a loss here. Can anyone help? >> >> Maarten >> _______________________________________________ >> timekeepers mailing list >> [email protected] >> https://fortytwo.ch/mailman/cgi-bin/listinfo/timekeepers >> > > > _______________________________________________ timekeepers mailing list [email protected] https://fortytwo.ch/mailman/cgi-bin/listinfo/timekeepers
