RouterOS软路由防火墙禁止公网端口扫描

https://www.ros9.com/866.html

https://www.ros9.com/index.php/soft-routing/ros-course

/ip firewall filter

add action=add-src-to-address-list address-list="port scanners" \

address-list-timeout=2w chain=input comment="port scanners to list " \

protocol=tcp psd=21,3s,3,1

add action=add-src-to-address-list address-list="port scanners" \

address-list-timeout=2w chain=input comment="NMAP FIN Stealth scan" \

protocol=tcp tcp-flags=fin,!syn,!rst,!psh,!ack,!urg

add action=add-src-to-address-list address-list="port scanners" \

address-list-timeout=2w chain=input comment="SYN/FIN scan" protocol=tcp \

tcp-flags=fin,syn

add action=add-src-to-address-list address-list="port scanners" \

address-list-timeout=2w chain=input comment="SYN/RST scan" protocol=tcp \

tcp-flags=syn,rst

add action=add-src-to-address-list address-list="port scanners" \

address-list-timeout=2w chain=input comment="FIN/PSH/URG scan" protocol=\

tcp tcp-flags=fin,psh,urg,!syn,!rst,!ack

add action=add-src-to-address-list address-list="port scanners" \

address-list-timeout=2w chain=input comment="ALL/ALL scan" protocol=tcp \

tcp-flags=fin,syn,rst,psh,ack,urg

add action=add-src-to-address-list address-list="port scanners" \

address-list-timeout=2w chain=input comment="NMAP NULL scan" protocol=tcp \

tcp-flags=!fin,!syn,!rst,!psh,!ack,!urg

add action=drop chain=input comment="dropping port scanners" \

src-address-list="port scanners"