Piecestore: piecestore protocol: rpc error: code = Unavailable desc = transport is closing

Hi!
About Mikrotik router, you no need add input rule, just add a NAT rule:

/ip firewall nat
add action=dst-nat chain=dstnat comment="Storj v3" dst-port=28967 in-interface=ether24 protocol=tcp to-addresses=192.168.XX.XX to-ports=28967

Please replace 192.168.XX.XX to your node IP.