Re: Help with RHEL 5.0 Server as NTP server

[Andrew Bacchi <bacchi@xxxxxxx>]

You haven't mentioned, but you are running ntpd, the ntp daemon, on the 
server, right?  Are you getting the time for that server from an 
upstream stratum 2 server, and configuring your server as a stratum 3?

Scott R. Ehrlich wrote:
> I have an out-of-box RHEL 5.0 Server, unpatched, that I want to use as 
> an NTP server.  It is in an isolated LAN.
>
> An nmap scan of localhost shows 123/udp is open|filtered.
>
> I tried sudo ntpdate from a CentOS 5 client to the server, but keep 
> receiving strata too high.   Debug mode shows it tries to reach the 
> server 4 times, then fails, saying no server is available.
>
> I've manually set the time on both to be within seconds of each other, 
> with same day, date, and year.
>
> I've also tried ntpdate -u server and no luck.
>
> I've verified throuvh chkconfig on client and server that iptables and 
> ip6tables is not running, iptables -L and ip6tables -L show nothing, 
> and I've performed a ps auwx to review all processees.   Nothing 
> pointing to any kind of filtering.
>
> What else might I be missing?  It serves NFS and SMB with no problem.
>
> Thanks for any insights.
>
> Scott

--
veritatas simplex oratio est
      -Seneca

Andrew Bacchi
Systems Programmer
Rensselaer Polytechnic Institute
phone: 518.276.6415  fax: 518.276.2809

http://www.rpi.edu/~bacchi/


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