nat server protocol tcp global current-interface 10000-20000 inside 192.168.1.3 10000-20000
nat server protocol tcp global current-interface 10000-20000 inside 192.168.1.3 10000
iptables -I INPUT -j DROP -p udp --dport 5060 -m string --string "friendly-scanner" --algo bm
iptables -I INPUT -j DROP -p udp --dport 5060 -m string --string "sipcli" --algo bm