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Summary:ASTERISK-29256: PJSIP is communicating directly with a name server
Reporter:Private Name (falves11)Labels:
Date Opened:2021-01-21 05:19:15.000-0600Date Closed:2021-01-21 05:23:47.000-0600
Priority:MajorRegression?
Status:Closed/CompleteComponents:Channels/chan_pjsip
Versions:16.15.0 Frequency of
Occurrence
Related
Issues:
Environment:LinuxAttachments:
Description:ERROR MESSAGE:
[Jan 21 03:51:02] ERROR[148846]: pjproject: <?>:           sip_transport.c Error processing 113 bytes packet from UDP 209.244.0.4:53 : PJSIP syntax error exception when parsing 'Request Line' header on line 1 col 2:"

the IP address above is a name server, why is PJSIP directly talking to  name server? The machine has is its own caching name server and "nslookup" reads data from 127.0.0.1:53.
If PJSIP is directly doing name resolution, how do I force ut to go via the local server and not off to the Internet?
Comments:By: Asterisk Team (asteriskteam) 2021-01-21 05:19:16.263-0600

Thanks for creating a report! The issue has entered the triage process. That means the issue will wait in this status until a Bug Marshal has an opportunity to review the issue. Once the issue has been reviewed you will receive comments regarding the next steps towards resolution. Please note that log messages and other files should not be sent to the Sangoma Asterisk Team unless explicitly asked for. All files should be placed on this issue in a sanitized fashion as needed.

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By: Joshua C. Colp (jcolp) 2021-01-21 05:23:47.454-0600

PJSIP isn't communicating outwards to that. It received a UDP packet to its SIP port with a source IP address and port of 209.244.0.4:53. A packet capture would confirm such a thing.