Monday, December 31, 2012

Running a temporary syslog server

I'm trying to connect a SIP VOIP device VK2ASU kindly passed me to pennytel but it won't register with them. The device's web interface doesn't give much information but it does have the option to send logs to a syslog server on your network. I've figured out a very simple way to run up a server for temporary use using netcat.


$ sudo nc -ul 514
Password:
<13>[SIP]  | NOTICE | allocating transaction ressource 119 19277552-0131122292
<13>[SIP]  | NOTICE | allocating NICT context
<12>[SIP]  | WARNING| info: Name resolution requested.
<12>[SIP]  | WARNING| Doing asynchronous name resolution.
<14>[SIP]  | INFO   | MESSAGE REC. CALLID:19277552-0131122292
<12>[SIP]  | WARNING| OnEvent_New_Incoming4xxResponse!
<12>[SIP]  | WARNING| User need to authenticate to REGISTER!
<13>[SIP]  | NOTICE | allocating transaction ressource 120 19277552-0131122292
<13>[SIP]  | NOTICE | allocating NICT context
<12>[SIP]  | WARNING| info: Name resolution requested.
<12>[SIP]  | WARNING| Doing asynchronous name resolution.

This gets nc to listen to UDP on port 514 and it displays whatever comes in.

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