The port 135 must be open to accept the incoming remote connection to the Service Control Manager (SCM), which provides RPC-based services for DCOM.
So the purpose of Port 135 is to allow to client to locate a DCOM service.
It will manage ports on your router and firewall.
Port 80 (So your can check your e-mail)
You have to access your firewall ports, and block the port that communicates to battle.net.
I don't think your computer has a PS2 port or that you PS2 has ports that do not have proper names Like USB Port or Ethernet Port
The same way you forward ports through wired networks. You can wirelessly access the router's firewall.
port 21
Ports are only "enabled" if an application is listening on them. Unless you are running a web server on the computer, the port is not "enabled."
You have to setup a router and open the ports in the router for this purpose. But Pacenet have blocked many ports so you can go to their local office and ask them to open the ports.
Opening a port for BitTorrent involves setting an exception for the port in any firewall or router on your system. The port number does not matter much, although it is good to avoid ports 6881-6999 as these were the original ports used by BitTorrent and are often blocked by Internet Service Providers. The guide for uTorrent in the related links below will help with opening the port. uTorrent and BitTorrent 6 are identical so the screen shots will help and there are links to online guides to help with firewall and router exceptions.
It may vary somewhat by the firewall or router you are using, but theoretically, every port from 1 to 65535 can be forwarded.
parallel and serial port
The plural form of port of entry is ports of entry.