There was a lot of talk about this being the next menace after email spam. I’m not actually sure what it’s called for VoIP systems, but my Asterisk setup has started to be attacked over the last few days. Lots of entries like: [Aug 27 19:20:30] NOTICE chan_sip.c: Registration from '"742"<sip:email@example.com>' failed for '18.104.22.168' - [...]
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