Could you please provide a copy of your config, I'm guessing that you have a general forwarder in place or haven't turned on recursion.
/Jonathan On Sat, May 2, 2009 at 8:06 AM, Nelson Vale <nelsonduv...@gmail.com> wrote: > Hi all, > > > I've been facing a problem in my private network which I was not able to fix > yet. > > In my gateway (linux debian alike) I have bind 9.5 installed and running, > and I have one IPSec tunnel to another gateway over the internet. It also > has configured a forward zone with the name server being the other gateway > internal address (accessibly through the IPSec tunnel only). > > Recently the other IPSec endpoint was shutdown and, of course, my queries to > the forward domain started failling. Nothing strange here... > > The real problem is that I suddendly were not able to resolve any other DNS > queries, like www.google.com, from inside my network: > > "host www.google.com > ;; connection timed out; no servers could be reached" > > I took a look at the named daemon and I see that it does not respond to > anything as long as the IPSec tunnel is down, but only if it's the other > endpoint that is down. I've tried stopping my endpoint and this problem do > not occur as long as I restart named. I think this happens because as long > as my endpoint is up the routes to the other endpoint are set, and named > trys to querie the forward domain name server. The problem is that the > queries do not timeout and named hangs there: > > The configuration I have is: > > Bind: BIND 9.5.0-P2 > IP Address (private): 192.168.9.254 > Forwarders: ADSL provider (2 forwarders) > Forward Zone: mylan.loc > Name Server:192.168.90.254 > > > After it starts if I try to querie one of the forward zone record > (box.mylan.loc) it displays: > > "... > 02-May-2009 14:22:21.843 socket 0xb7bd5548: dispatch_recv: event 0xb7be3d28 > -> task 0xb7b74d18 > 02-May-2009 14:22:21.844 socket 0xb7bd5548: internal_recv: task 0xb7b74d18 > got event 0xb7bd559c > 02-May-2009 14:22:21.844 socket 0xb7bd5548 192.168.9.2#47869: packet > received correctly > 02-May-2009 14:22:21.844 socket 0xb7bd5548: processing cmsg 0xb7bb2120 > 02-May-2009 14:22:21.844 client 192.168.9.2#47869: UDP request > 02-May-2009 14:22:21.844 client 192.168.9.2#47869: using view '_default' > 02-May-2009 14:22:21.845 client 192.168.9.2#47869: request is not signed > 02-May-2009 14:22:21.845 client 192.168.9.2#47869: recursion available > 02-May-2009 14:22:21.845 client 192.168.9.2#47869: query > 02-May-2009 14:22:21.845 client 192.168.9.2#47869: ns_client_attach: ref = 1 > 02-May-2009 14:22:21.845 client 192.168.9.2#47869: query (cache) > 'box.mylan.loc/A/IN' approved > 02-May-2009 14:22:21.845 client 192.168.9.2#47869: replace > 02-May-2009 14:22:21.845 clientmgr @0xb7baa608: createclients > 02-May-2009 14:22:21.846 clientmgr @0xb7baa608: recycle > 02-May-2009 14:22:21.846 createfetch: box.mylan.loc A > 02-May-2009 14:22:21.846 fctx 0xb7bae408(box.mylan.loc/A'): create > 02-May-2009 14:22:21.846 fctx 0xb7bae408(box.mylan.loc/A'): join > 02-May-2009 14:22:21.846 fetch 0xb7bb4148 (fctx > 0xb7bae408(box.mylan.loc/A)): created > 02-May-2009 14:22:21.846 client @0xb7bda008: udprecv > 02-May-2009 14:22:21.846 socket 0xb7bd5548: socket_recv: event 0xb7bd4b48 -> > task 0xb7bb1690 > 02-May-2009 14:22:21.847 fctx 0xb7bae408(box.mylan.loc/A'): start > 02-May-2009 14:22:21.847 fctx 0xb7bae408(box.mylan.loc/A'): try > 02-May-2009 14:22:21.847 fctx 0xb7bae408(box.mylan.loc/A'): cancelqueries > 02-May-2009 14:22:21.847 fctx 0xb7bae408(box.mylan.loc/A'): getaddresses > 02-May-2009 14:22:21.847 findaddrinfo: new entry 0xb7aec4a0 > 02-May-2009 14:22:21.847 fctx 0xb7bae408(box.mylan.loc/A'): query > 02-May-2009 14:22:21.848 socket 0xb7b79938: created > 02-May-2009 14:22:21.848 socket 0xb7b79938 0.0.0.0#43841: bound > 02-May-2009 14:22:21.848 dispatchmgr 0xb7bbb168: created UDP dispatcher > 0xb7b6d378 > 02-May-2009 14:22:21.848 dispatch 0xb7b6d378: created task 0xb7b74d70 > 02-May-2009 14:22:21.848 dispatch 0xb7b6d378: created socket 0xb7b79938 > 02-May-2009 14:22:21.848 resquery 0xb7b80008 (fctx > 0xb7bae408(box.mylan.loc/A)): send > 02-May-2009 14:22:21.849 dispatch 0xb7b6d378 response 0xb7ba7848 > 192.168.90.254#53: attached to task 0xb7b6f2c8 > 02-May-2009 14:22:21.849 socket 0xb7b79938: socket_recv: event 0xb7b81698 -> > task 0xb7b74d70 > > > and it hangs here forever. Even if I restart the named server it does not > respond to any of my queries. If I stop the named server with Ctrl + C it > displays: > > "... > ^C02-May-2009 14:23:46.773 socket.c:1226: unexpected error: > 02-May-2009 14:23:46.773 internal_send: 192.168.90.254#53: Interrupted > system call should be restarted > 02-May-2009 14:23:46.774 errno2result.c:111: unexpected error: > 02-May-2009 14:23:46.774 unable to convert errno to isc_result: 85: > Interrupted system call should be restarted > 02-May-2009 14:23:46.774 resquery 0xb7b80008 (fctx > 0xb7bae408(box.mylan.loc/A)): sent > 02-May-2009 14:23:46.774 resquery 0xb7b80008 (fctx > 0xb7bae408(box.mylan.loct/A)): senddone > 02-May-2009 14:23:46.774 fctx 0xb7bae408(ebox.voiplan.pt/A'): cancelquery > 02-May-2009 14:23:46.774 dispatch 0xb7b6d378 response 0xb7ba7848 > 192.168.90.254#53: detaching from task 0xb7b6f2c8 > 02-May-2009 14:23:46.774 dispatch 0xb7b6d378: detach: refcount 0 > 02-May-2009 14:23:46.774 dispatch 0xb7b6d378: got packet: requests 0, > buffers 1, recvs 1 > 02-May-2009 14:23:46.775 dispatch 0xb7b6d378: shutting down; detaching from > sock 0xb7b79938, task 0xb7b74d70 > 02-May-2009 14:23:46.775 socket 0xb7b79938: destroying > 02-May-2009 14:23:46.775 dispatchmgr 0xb7bbb168: destroy_mgr_ok: > shuttingdown=0, listnonempty=1, epool=10, rpool=0, dpool=10 > 02-May-2009 14:23:46.775 shutting down > 02-May-2009 14:23:46.775 stopping command channel on 127.0.0.1#953 > 02-May-2009 14:23:46.776 res 0xb7bbe200: shutdown > 02-May-2009 14:23:46.776 res 0xb7bbe200: exiting > 02-May-2009 14:23:46.776 dns_requestmgr_shutdown: 0xb7b75008 > 02-May-2009 14:23:46.776 send_shutdown_events: 0xb7b75008 > 02-May-2009 14:23:46.777 no longer listening on 127.0.0.1#53 > 02-May-2009 14:23:46.777 clientmgr @0xb7baa3f8: destroy > 02-May-2009 14:23:46.777 no longer listening on 192.167.200.254#53 > 02-May-2009 14:23:46.777 clientmgr @0xb7baa548: destroy > ..." > > > If anybody could give me a hand on this I surelly would appreciate it. > > > Nelson Vale > > _______________________________________________ > bind-users mailing list > bind-users@lists.isc.org > https://lists.isc.org/mailman/listinfo/bind-users > _______________________________________________ bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users
