Notice my router doesn’t have a field for the external IP address as it isn’t really necessary. Port Forwarding Exampleīelow is a screen shot of my home router configuration which shows the ports I’ve forwarded. Therefore when using port forwarding you might also what to consider using Dynamic DNS. However using an IP address instead of a domain name is not very convenient, in addition the external IP address can change as most ISPs assign these addresses using DHCP. To connect to the forwarded port from the Internet you will need to know the external IP address of the Router and the Port number that has been allocated. Once you have forwarded the ports you may want to check that they are really open using an open port checker. It also shows you how to set a static IP address for your machine. This video shows you how to set it up on a Linksys router. This video shows how to configure port forwarding on a BT Home Hub. Regardless of exactly how you configure it, as it varies by device, what you are essentially doing is creating a mapping table that maps an external address and port to an internal address and port. This site has a comprehensive guide covering 100s of routers, and also port lists for many of the games/applications. To configure port forwarding on your router you will need Admin privileges. Internet) and forwarded to the internal network. This step is important as the forwarding will be set to send packets to a specific internal IP address.ĭepending on your Application you may need a list of ports that need to be available from the the external network (i.e.
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