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

Harlan Stenn stenn at ntp.org
Fri Mar 28 19:18:14 UTC 2008


>>> 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!

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