firewall untuk filter port scanning di mikrotik

simple firewall untuk filter port scanning di mikrotik.

/ ip firewall filter

add chain=input protocol=tcp psd=21,3s,3,1 action=add-src-to-address-list address-list=”port scanners” address-list-timeout=2w comment=”Port Scanners to list” disabled=no

add chain=input protocol=tcp tcp-flags=fin,!syn,!rst,!psh,!ack,!urg action=add-src-to-address-list address-list=”port scanners” address-list-timeout=2w comment=”” disabled=no

add chain=input protocol=tcp tcp-flags=fin,syn action=add-src-to-address-list address-list=”port scanners” address-list-timeout=2w comment=”” disabled=no

add chain=input protocol=tcp tcp-flags=syn,rst action=add-src-to-address-list address-list=”port scanners” address-list-timeout=2w comment=”” disabled=no

add chain=input protocol=tcp tcp-flags=fin,psh,urg,!syn,!rst,!ack action=add-src-to-address-list address-list=”port scanners” address-list-timeout=2w comment=”” disabled=no

add chain=input protocol=tcp tcp-flags=fin,syn,rst,psh,ack,urg action=add-src-to-address-list address-list=”port scanners” address-list-timeout=2w comment=”” disabled=no

add chain=input protocol=tcp tcp-flags=!fin,!syn,!rst,!psh,!ack,!urg action=add-src-to-address-list address-list=”port scanners” address-list-timeout=2w comment=”” disabled=no

add chain=input src-address-list=”port scanners” action=drop comment=”” disabled=no