/ip firewall filter insert chain=enter connection-state=established,linked motion=acknowledge remark="accept set up,related"; add chain=input relationship-point out=invalid motion=fall; include chain=input in-interface=ether1 protocol=icmp action=acknowledge comment="permit ICMP"; increase chain=input in-interface=ether1 protocol=tcp port=8291 action=acknowledge remark="let Winbox"; i... https://knoxwjtcm.educationalimpactblog.com/49243861/winbox-for-dummies