help On 6/1/10, Robert Edmonds <[email protected]> wrote: > found 433779 asterisk/1:1.6.2.7-1 > user [email protected] > usertag 433779 + missing-dependency > thanks > > hi, > > it appears that asterisk is incorrectly treating DNS resolution failure > during SIP registration as a "404 not found" SIP response. > > when my system boots, asterisk is started after my recursive DNS server, > and i see this in /var/log/asterisk/messages: > > [May 31 17:36:41] WARNING[1689] acl.c: Unable to lookup > 'inbound23.vitelity.net' > [May 31 17:36:41] WARNING[1689] acl.c: Unable to lookup > 'outbound.vitelity.net' > [May 31 17:36:41] WARNING[1704] acl.c: Unable to lookup > 'inbound23.vitelity.net' > [May 31 17:36:41] NOTICE[1704] chan_sip.c: Registration from > '<sip:[email protected]>' failed for '127.0.0.1' - No > matching peer found > [May 31 17:36:41] WARNING[1704] chan_sip.c: Got 404 Not found on SIP > register to service [email protected], giving up > > it seems to be impossible for asterisk to have received a "404 not > found" response from the SIP peer if DNS is not available, and indeed i > verified with a packet sniffer that no SIP packets were sent or > received. > > it looks like there are two bugs here: > > 1) asterisk should treat DNS resolution failures as transient network > failures, not SIP failures, and be subject to retrying the registration. > asterisk made no attempt to retry the registration after the initial DNS > failure. > > 2) /etc/init.d/asterisk contains the following LSB header: > > ### BEGIN INIT INFO > # Provides: asterisk > # Required-Start: $remote_fs > # Required-Stop: $remote_fs > # Should-Start: dahdi mysql postgresql > # Should-Stop: mysql postgresql > # Default-Start: 2 3 4 5 > # Default-Stop: 0 1 6 > # Short-Description: Asterisk PBX > # Description: Controls the Asterisk PBX > ### END INIT INFO > > if i'm not mistaken, on systems with parallel booting enabled this means > it would be possible for asterisk to start before the network is up or > name resolution is available. i believe that $named and $network should > be added to Should-Start. > > -- > Robert Edmonds > [email protected] >
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