[ntp:questions] Re: Unable to get time from NTP server
nospam at nospam.net
Thu Mar 31 19:42:08 UTC 2005
"Tom Smith" <smith at cag.lkg.hp.com> wrote in message
news:424C4016.5020302 at cag.lkg.hp.com...
> Daniel Rudy wrote:
>> I have a machine that is dedicated to providing NTP service. When I
>> upgrade the operating system on that machine from FreeBSD 4.10 to FreeBSD
>> 5.3, it seems that the machine is no longer responding to time requests.
>> I have used ntpdc to check the status of the server and I have tried to
>> restart the server to no avail. There just is not any response from the
>> server at all. I'm running the server with the following information
>> below. There are no errors in the log, and the server is running. Any
>> /usr/sbin/ntpd -c /etc/ntp.conf -p /var/run/ntpd.pid
>> server time.windows.com
>> server clepsydra.dec.com
>> server bitsy.mit.edu
>> server otc1.psu.edu
>> server time.xmission.com
>> server clock.via.net
>> server clock.isc.org
>> server ntp2.sth.netnod.se
>> server ntp2.sp.se
>> server nist1.aol-ca.truetime.com minpoll 8
>> server usno.pa-x.dec.com
>> restrict 192.168.0.0 mask 255.255.255.0 notrust nomodify notrap kod
>> restrict 127.0.0.1 mask 255.0.0.0
> Regrettably, the meaning of "notrust" changed between NTP 4.1.* and 4.2.*,
> breaking many pre-existing ntp.conf files. You probably want to change
> that to "nopeer".
> Through 4.1.1:
> Treat these hosts normally in other respects, but never use them as
> synchronization sources.
> Provide stateless time service to polling hosts, but do not allocate
> peer memory resources to these hosts even if they otherwise might be
> considered useful as future synchronization partners.
> Deny service unless the packet is cryptographically authenticated.
> Deny packets which would result in mobilizing a new association. This
> broadcast and symmetric active packets when a configured association
> does not exist.
It's not specified in the man page, which is probably why I missed it.
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