Service DNS and NTP from FC6

Mark Haney mhaney at ercbroadband.org
Thu Feb 22 15:52:42 UTC 2007


Bledsoe, Howard W. CIV (CNRNW) wrote:
> 	We have a nice, new, clean install of Fedora Core 6 -- and want
> to use it, among other things, as a DNS server and NTP source.  I can
> verify from the console and from SSH sessions that the DNS does resolve
> correctly, and the NTP daemon does operate correctly.  Both DNS and time
> service do what they're supposed to with respect to the local computer.
> 	However, I am unable to get the box to 'serve' these services.
> DNS inquiries and NTP inquiries seem to be ignored from both Windoze and
> other (older) Red Hat boxes.  I have told the firewall to allow port 53
> and 123 traffic -- and have even disabled the firewall completely (we
> are not connected to the Internet).
> 	This appears as if the named and ntpd are not listening on their
> designated ports.  Any idea on how I can verify that?  How can I make
> this server serve?
> 
>                    TIA, Howard
> 
> -------------------------------------------
> Communications Project Manager, Navy Region Northwest
> 
> 
> 
> 
Well telnetting to those ports might be a start.  tcpdump on the server 
would be good as well (Or wireshark)

Also check netstat to see if the machine is listening on those ports.

Uh, and iptables maybe?


-- 
Ita erat quando hic adveni.

Mark Haney
Sr. Systems Administrator
ERC Broadband
(828) 350-2415




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