Is there a way to forward port even your ISP cannot forward ports for you?

[ItachiUchiha]

Is there a way to forward port even your ISP cannot forward ports for you? I call my ISP and tell them that if they can open port for me, but they said, they can't, and they apologize. So is there any way? I want an OPEN NAT when playing games, so I contact my ISP and said that they cannot open ports for me, and said that their service is only a STRICT NAT, and they don't said that they're blocking the ports.

 

[Paul NZ]

Should be able to do it in the router youre using

 

[Shaun o]

You open up your ports via your modem router if you have one.
You need to look up what port range a game uses via the internet, once you have the port ranges and the protocol the ranges need to be set to Tcp/Udp. <- (protocols)

You need to then access your router and its software menu built into it.
You can do this by typing the IP address of the router 192.168.0.1 in most cases.
You will be required to enter a user name default is normally Admin.
And the password. These can be found on a label on your router/modem as a factory default if you have not changed them yourself.

Once you have logged in to your router you need to find the page/menu that deals with port forwarding.
From there you put in the name you wish to labe it as, Ie name of the game, Then you have to put in the IP address the router gave your computer out of it`s IP pool. Then select the type of protocol Tcp/Udp. and the ports to open from and to.

Then click apply. you may have to make more than one entry into the port forward section of your router if Tcp/Udp protocols are used in a different port number range.

But that is how you open up ports to be able to play online games or via a game server you have set up at home.

Nat is a network translation, from where one computer holds the IP given to it to access the internet for example and another computer is routed or connected to it.
It does a translation of a IP address of the first machine to the one that holds the internet connection and uses it`s IP to access the internet, it then translates the IP back to the IP of the client machine giving it the requested internet page or site requested by the host. This is the definition of NAT.

In essence this is also what a router does.