A quick update - I've traced down an issue that may have been causing this.
Would you be interested in testing this small patch? Bert On Tue, Mar 30, 2010 at 02:58:16PM +0100, Simon Bedford wrote: > We have one of the instances on our non live server happening at the > moment so I have not restarted it as yet, I have performed the > following on it and recorded the responses :- > > UDP REQUEST > ptn-cdns03:/usr/local/nagios/libexec# dig google.com @212.159.6.117 any > > ; <<>> DiG 9.5.1-P3 <<>> google.com @212.159.6.117 any > ;; global options: printcmd > ;; Got answer: > ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 27597 > ;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 0, ADDITIONAL: 4 > > ;; QUESTION SECTION: > ;google.com. IN ANY > > ;; ANSWER SECTION: > google.com. 26792 IN NS ns2.google.com. > google.com. 26792 IN NS ns4.google.com. > google.com. 26792 IN NS ns1.google.com. > google.com. 26792 IN NS ns3.google.com. > > ;; ADDITIONAL SECTION: > ns4.google.com. 81336 IN A 216.239.38.10 > ns2.google.com. 81336 IN A 216.239.34.10 > ns3.google.com. 81336 IN A 216.239.36.10 > ns1.google.com. 81336 IN A 216.239.32.10 > > ;; Query time: 3 msec > ;; SERVER: 212.159.6.117#53(212.159.6.117) > ;; WHEN: Tue Mar 30 14:49:06 2010 > ;; MSG SIZE rcvd: 164 > > TCP REQUEST > ptn-cdns03:/usr/local/nagios/libexec# dig +tcp google.com @212.159.6.117 any > > ; <<>> DiG 9.5.1-P3 <<>> +tcp google.com @212.159.6.117 any > ;; global options: printcmd > ;; connection timed out; no servers could be reached > > Netstat shows it to be still listening:- > > ptn-cdns03:/usr/local/nagios/libexec# netstat -anp | grep LISTEN | > grep "212.159.6.117:53 " > tcp 0 0 212.159.6.117:53 0.0.0.0:* LISTEN > 14214/pdns_recursor > > Telnet shows the socket to be there :- > > ptn-cdns03:/usr/local/nagios/libexec# telnet 212.159.6.117 53 > Trying 212.159.6.117... > Connected to 212.159.6.117. > Escape character is '^]'. > > Pressing enter has no effect on this also. > > This happens on port 53, 5300, 5301, etc as we use different ports > for some of our services whereas udp works fine on all ports. > > Hope this info is useful > > Simon > _______________________________________________ Pdns-users mailing list Pdns-users@mailman.powerdns.com http://mailman.powerdns.com/mailman/listinfo/pdns-users