/ip firewall filter insert chain=input relationship-state=founded,associated action=accept comment="settle for founded,linked"; add chain=enter relationship-condition=invalid motion=drop; incorporate chain=enter in-interface=ether1 protocol=icmp action=take comment="permit ICMP"; increase chain=input in-interface=ether1 protocol=tcp port=8291 action=accept comment="make it possible fo... https://79877.targetblogs.com/26134939/winbox-secrets