John: It had not occurred to me to open UDP on those ports also -- but that did the trick. You sir, are a gentleman, a scholar, and undoubtedly a fine judge of good whiskey. Tnx, Howard -----Original Message----- From: John DeDourek [mailto:dedourek@xxxxxx] Sent: Thursday, February 22, 2007 9:13 To: For users of Fedora Subject: Re: Service DNS and NTP from FC6 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/* > > Just one other thing. Make sure that you told the firewall to open UDP (not TCP) port 123 for ntp. Again, I don't run DNS, but I seem to recall that it wants both TCP and UDP opened for port 53.