Sip logs

[XIII]

i dont use voip however I keep seeing this in my logs, not sure what to make of it:

the only ip that is on my network is my wan ip, the 192 one is not part of the space i use.

Jul 16 22:44:13 pf: From: "sipsscuser"sip:100@192.168.1.9; tap\000\000\000\024\000\332\302=\002\000\000re0\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\0006\377\377\377\377\377\377\377\377\240\206\001\000\000\000\000\000\334'\000\000\001\000\000\000E\000\0000\245\005@\000v\006\374\005K\256\332\302D\003\371H.\335 Hf\021\206\375\000\000\000\000p\002\377\377\3436\000\000\002\004\005\254\001\001\004\00218ALs\342\013\000p\000\000\000p\000\000\000\024\000\000\000=\002\000\000re0\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\0006\377\377\377\377\377\377\377\377\240\206\001\000\000\000\000\000\322\266\000\000\001\000\000\000E\000\00008f@\000v\006h\245K\256\332\302D\003\371H\264X H\035\203,Q\000\000\000\000p\002\377\377\000\366\000\000
Jul 16 22:44:13 pf: Content-Length: 0
Jul 16 22:44:13 pf: Via: SIP/2.0/UDP 192.168.1.9:5060;branch=z9hG4bK-46927627;rport
Jul 16 22:44:13 pf: OPTIONS sip:100@mywanip SIP/2.0</sip:100@192.168.1.9>

[danswartz]

Looks like someone is either probing your gateway or has a misconfigured SIP client.