If properly configured, should sipvicious scans even make it through to asterisk? I have had a few show up in my CDR in the last 24 hours from IPs that are not in my whitelist (I'm running the command Iptables -nL to see whitelisted IPs).
That’s not getting through. Notice how voipmonitor says 000 no response. Iptables is blocking it before it gets to asterisk. But it can still see the incoming attempt because it’s a kernel level sniffer.