[Freeswitch-users] Been hacked - what's the best way to prevent sip scanner?

William Suffill william.suffill at gmail.com
Tue Oct 5 12:04:51 PDT 2010

fail2ban is 1 option.

<http://wiki.freeswitch.org/wiki/Fail2ban>after X # of failed attempts it
will be auto added to the firewall.

Restricting the external ports to only trusted hosts can be an option as
well if you don't have any incoming sip calls from unknown sources.
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