Hi i insert a rule in iptables output but when i reboot router, that rule vanish. How can i save forever that rule ...
iptables -A OUTPUT -p tcp --sport 515 -j DROP
onother question is ... when i portscan +icmp router it grabs 82 udp ports how can i denny that without compromising DCHP and other request from my ISP ? ICMP 0 8 ?