The tpm firewall command displays port information required to configure a firewall. When used, the information shown is for the current host:

shell> tpm firewall
To db1
---------------------------------------------------------------------------
From application servers      3306, 3307
From connector servers        8096, 11999, 12000, 13306
From database servers         2112, 7800, 8090, 9997, 10999, 11999, 12000, 13306

The information shows which ports, on which hosts, should be opened to enable communication.