کد:
/ip firewall filter
add chain=forward disabled=no action=accept in-interface=ether1 protocol=tcp dst-port=21
add chain=forward disabled=no action=accept in-interface=ether1 protocol=tcp dst-port=25
add chain=forward disabled=no action=accept in-interface=ether1 protocol=tcp dst-port=80
add chain=forward disabled=no action=accept in-interface=ether1 protocol=tcp dst-port=110
add chain=forward disabled=no action=accept in-interface=ether1 protocol=tcp dst-port=443
add chain=forward disabled=no action=accept in-interface=ether1 protocol=tcp dst-port=8080