[ntp:questions] NTP does not reply to IP addresses that start with 69

Ray nospam.mail at nrc.ca
Thu Apr 3 14:21:39 UTC 2008


Thanks to everyone who replied.
I now know I have to update. So what is the last stable version?

I just wanted to know how the daemon could be so selective to deny IP
69.x.x.x

Ray
--------------------------------------
"Ray" <nospam.mail at nrc.ca> wrote in message
news:fstop5$jo$1 at nrc-news.nrc.ca...
> Harlan,
>
> Here are sample of the debug output, which include IP addresses that start
> with 69.
> This first sample gave no reply. I assume it is version 3.
> --------------------------------------------------------------------------
--
> -------
>  MCAST *****sendpkt(fd=6 dst=192.70.172.132, src=132.246.168.2, ttl=0,
> len=48)
> transmit: at 37 132.246.168.2->192.70.172.132 mode 4
> input_handler: if=2 fd=6 length 48 from d1cd2803 209.205.40.3
> receive: at 38 132.246.168.2<-209.205.40.3 restrict 00
> receive: at 38 132.246.168.2<-209.205.40.3 mode 3 code 2
>  MCAST *****sendpkt(fd=6 dst=209.205.40.3, src=132.246.168.2, ttl=0,
len=48)
> transmit: at 38 132.246.168.2->209.205.40.3 mode 4
> input_handler: if=2 fd=6 length 48 from 453fdb02 69.63.219.2
> receive: at 38 132.246.168.2<-69.63.219.2 restrict 00
> input_handler: if=2 fd=6 length 48 from d06f2383 208.111.35.131
> receive: at 38 132.246.168.2<-208.111.35.131 restrict 00
> receive: at 38 132.246.168.2<-208.111.35.131 mode 3 code 2
>  MCAST *****sendpkt(fd=6 dst=208.111.35.131, src=132.246.168.2, ttl=0,
> len=48)
> transmit: at 38 132.246.168.2->208.111.35.131 mode 4
> --------------------------------------------------------------------------
--
> -
>
> This sample did reply in mode 4.
> -------------------------------------------------
> receive: at 182 132.246.168.2<-72.139.76.245 mode 3 code 2
>  MCAST *****sendpkt(fd=6 dst=72.139.76.245, src=132.246.168.2, ttl=0,
> len=48)
> transmit: at 182 132.246.168.2->72.139.76.245 mode 4
> input_handler: if=2 fd=6 length 48 from 459c69c0 69.156.105.192
> receive: at 182 132.246.168.2<-69.156.105.192 restrict 00
> receive: at 182 132.246.168.2<-69.156.105.192 mode 3 code 2
>  MCAST *****sendpkt(fd=6 dst=69.156.105.192, src=132.246.168.2, ttl=0,
> len=48)
> transmit: at 182 132.246.168.2->69.156.105.192 mode 4
> input_handler: if=2 fd=6 length 48 from 0426649b 4.38.100.155
> receive: at 183 132.246.168.2<-4.38.100.155 restrict 00
> --------------------------------------------------------------------------
--
> ----
>
> Does this make any sense to you?
>
> Thanks for your help,
> Ray
> ========================================
>
> "Harlan Stenn" <stenn at ntp.org> wrote in message
> news:ywn9r6du8xop.fsf at ntp1.isc.org...
> > Ray,
> >
> > >>> In article <fsirdj$28s$1 at nrc-news.nrc.ca>, "Ray"
<nospam.mail at nrc.ca>
> writes:
> >
> > Ray> I am running stratum-1 servers with NTP version 4.1.0. There are no
> > Ray> restrictions in the NTP configuration and no restrictions in the
> > Ray> firewall.  Yet, when I receive NTP request, from version3, and with
> an
> > Ray> IP address starting with 69, the daemon does not reply to it. The
> > Ray> server will reply to NTP packets with version4. The server appears
to
> > Ray> respond properly to all other subnets.  Does anyone have any ideas
> why
> > Ray> this happens?
> >
> > Got any debug output from ntpd that shows it receiving/replying v4 but
> > receiving/not replying to v3?
> >
> > -- 
> > Harlan Stenn <stenn at ntp.org>
> > http://ntpforum.isc.org  - be a member!
>
>





More information about the questions mailing list