John A. Bailo wrote:
I am unable to get synchronization with my ntpd daemon and the ntp
server pool. I was able to get an initial sync to 0.pool.ntp.org using
[EMAIL PROTECTED] root]# ntpdate -u pool.ntp.org
1 Dec 16:30:13 ntpdate[8168]: adjust time
server 202.135.38.18 offset 0.089741 sec
and nmap -sU tells me the UPD port 123 is open.
Does anyone have it working and can help with my configuration?
I'm running Redhat 7.3 in line command mode as a mail server, so I
need to know the config setting changes I need to make.
When I run:
[EMAIL PROTECTED] root]# ntpq -p
I see:
remote refid st t when poll reach delay offset
jitter
==============================================================================
LOCAL(0) LOCAL(0) 10 l 4 64 1 0.000 0.000
0.004
levy.catalyst.n 0.0.0.0 16 u - 64 0 0.000 0.000
4000.00
adsl.remco.org 0.0.0.0 16 u - 64 0 0.000 0.000
4000.00
tr.5sn.net 0.0.0.0 16 u - 64 0 0.000 0.000
4000.00
clock2.redhat.c 0.0.0.0 16 u - 64 0 0.000 0.000
4000.00
The "0"s in the "reach" field mean that the server is not reachable. I
cannot tell you why they are not reachable but possibilities are:
1. you issued the ntpq -p command a few seconds after starting ntpd. If
so, wait ten minutes after starting ntpd, run ntpq -p and report the
results.
2. Port 123 is being blocked by a firewall.
<snip>
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