Failed To Authenticate Device – Who?

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December 10, 2014 D'Arcy J.M. Asterisk Users No Comments

I have a bunch of these in my logs:

[Dec 9 08:21:21] NOTICE[-1][C-00000285] chan_sip.c: Failed to authenticate device
“einstein”;tage696e737465696e0131323530333532333739

The problem is that I already know my own IP address. How do I
determine the address of the host trying to hack my switch?

Cheers.