TCP is best used for sending and receiving data in two directions. TCP (Transmission Control Protocol) is connection oriented and optimized for bidirectional transmission. The long version? TCP and UDP are the two types of Internet protocols. The short version? TCP likes to go both ways. Select the protocol: TCP or UDP What’s the difference between TCP and UDP? Tick the checkbox on the left to turn ‘ON’ the port forwarding rule. How To Open Ports in Your Routerįirst, Login into your router’s administration panel and go to Port Forwarding > Basic. And when you combine port forwarding with Dynamic DNS, you’ve got a powerful tool that provides remote access your home network from anywhere in the world. But I still don’t understand so, what’s all of the fuss about port forwarding?” Well, without port forwarding, you will be unable to reach computers on your network from the outside world (WAN). Tomato firmware offers a few different types of port forwarding configurations:īasic port forwarding is the most commonly used method for residential LAN’s so we’ll focus on this one first. The guys over at have compiled a nice list of port numbers associated with various software, games, and other applications. With port forwarding, you know precisely which computer you need access to, and which room that computer is located in.ĭifferent applications use different ports. Port forwarding is like having a key and a map. And so, you can’t find the room with the computer that you are trying to get to. You have a key but you don’t know which apartment the key belongs to. Then imagine that there is a computer behind one of the doors and you need access to it. Think of your router as an apartment building with thousands of apartment units. Port forwarding opens a portal in the router’s firewall, allowing for inbound traffic to reach your LAN.
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