Yes, so long as you know the risks involved in doing so. It is often necessary to use port forwarding on a firewall in order for some things to work. For instance, if you wanted to run a web server on your computer, you would need to forward port 80 and perhaps 443 to your computer that way other people on the internet could actually see it. Also, port forwarding is also needed for Bit Torrent. Bit Torrent will allow incoming connections on a port designated by the client's settings. If you do not allow incoming connections, you will not be able to upload the file to anyone else.
The same way you forward ports through wired networks. You can wirelessly access the router's firewall.
It may vary somewhat by the firewall or router you are using, but theoretically, every port from 1 to 65535 can be forwarded.
a hidden port is a port that is covered by a firewall
They hide the port from you. I followed the low pressure piping up to the receiver and there was the port. The receiver is on the passenger side just forward of the firewall. You will have to look on the lower half of the receiver on the engine side to find the port.
TCP port 21
Packet-filtering firewall
Port forwarding is when you open a certain path for connections to a machine. For example if i want a program, which uses a port 3306, to be able to connect to my computer from the internet, I need to forward (open) this port first.
A firewall
It will manage ports on your router and firewall.
ships hull number/name
Port 80.
Enter "localhost" in your webbrowser. DO NOT ENTER http! After that, click port forward and enter 25565 to port forward. Then press OK/Done/etc. That's what it is like for most computer routers.