We get some noise in our Asterisk error file generated by scanners
sending invalid invites. Example below (details removed)
[2020-12-0702:53:30]ERROR[23370]pjproject:sip_transport.c Error
processing 559 bytes packet from UDP ***********
:PJSIPsyntaxerrorexceptionwhenparsing'Request Line'header on line 1 col
12:INVITEsip:@*******SIP/2.0Via:SIP/2.0/UDP0.0.0.0:49990;branch=*****Max-Forwards:70From:<sip:@****:5060@*****>;tag=*****To:<sip:@****>Call-ID:*******CSeq:1INVITEContact:<sip:@****:***@****:****>Content-Type:application/sdpContent-Length:204v=0o=@******:50601626418299INIP40.0.0.0s=pplsipc=INIP40.0.0.0t=00m=audio25282RTP/AVP1006083185101a=rtpmap:0pcmu/8000a=rtpmap:101telephone-event/8000a=fmtp:1010-11
This seems to be a feature added in pjsip. While it's often very useful
to log error packers, in our case it just winds up being noise 99.9% of
the time.
Is their some way to configure Asterisk or PJSIP to not log these
packets as errors? Or maybe some way to just filter them out entirely
before pjsip even gets it (other than using an IP, which of course
changes).
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