کد:
/ip firewall filter
add chain=forward disabled=no action=drop in-interface=ether1 protocol=tcp dst-port=25
add chain=forward disabled=no action=drop in-interface=ether1 protocol=udp dst-port=25
add chain=forward disabled=no action=drop in-interface=ether1 protocol=tcp dst-port=587
add chain=forward disabled=no action=drop in-interface=ether1 protocol=udp dst-port=587
add chain=forward disabled=no action=drop in-interface=ether1 protocol=tcp dst-port=445
add chain=forward disabled=no action=drop in-interface=ether1 protocol=udp dst-port=445
add chain=forward disabled=no action=drop in-interface=ether1 protocol=tcp dst-port=110
add chain=forward disabled=no action=drop in-interface=ether1 protocol=udp dst-port=110
add chain=forward disabled=no action=drop in-interface=ether1 protocol=tcp dst-port=135
add chain=forward disabled=no action=drop in-interface=ether1 protocol=udp dst-port=135
add chain=forward disabled=no action=drop in-interface=ether1 protocol=tcp dst-port=993
add chain=forward disabled=no action=drop in-interface=ether1 protocol=udp dst-port=993
add chain=forward disabled=no action=drop in-interface=ether1 protocol=tcp dst-port=994
add chain=forward disabled=no action=drop in-interface=ether1 protocol=udp dst-port=994
add chain=forward disabled=no action=drop in-interface=ether1 protocol=tcp dst-port=995
add chain=forward disabled=no action=drop in-interface=ether1 protocol=udp dst-port=995
add chain=forward disabled=no action=drop in-interface=ether1 protocol=tcp dst-port=143
add chain=forward disabled=no action=drop in-interface=ether1 protocol=udp dst-port=143
add chain=forward disabled=no action=drop in-interface=ether1 protocol=tcp dst-port=220
add chain=forward disabled=no action=drop in-interface=ether1 protocol=udp dst-port=220
add chain=forward disabled=no action=drop in-interface=ether1 protocol=tcp dst-port=585
add chain=forward disabled=no action=drop in-interface=ether1 protocol=udp dst-port=585
add chain=forward disabled=no action=drop in-interface=ether1 protocol=tcp dst-port=2390
add chain=forward disabled=no action=drop in-interface=ether1 protocol=udp dst-port=2390
add chain=forward disabled=no action=drop in-interface=ether1 protocol=tcp dst-port=24
add chain=forward disabled=no action=drop in-interface=ether1 protocol=udp dst-port=24