MU Online is Webzen's MMO, Role-Playing, Action, and Adventure game released in 2001.

Which Ports Does MU Online Require
The incoming ports that need to be forwarded for MU Online are as follows:
MU Online - PC
- TCP: 44405, 55901
- UDP: 44405, 55901
If you want to follow guides that are custom tailored to your exact router and MU Online simply follow one of these links:
MU Online has the following styles of gameplay.
- MMO stands for Massively Multiplayer Online game. MMO's are huge open worlds where large numbers of people play at the same time. The focus highly on character development and progression, as well as loot collection and grouping together.
- Role-Playing Games give you hours on end of game play where you can explore a new world through the eyes of your own character. They tend to be the longest style of game with the most immersive story lines. Popular RPG titles include Skyrim, World of Warcraft, and Fallout.
- Action games are usually a bit faster than other games and require quick reflexes. You frequently jump platforms, shoot enemy mobs, climb ladders, and
- Adventure games are very heavily story driven. You are usually the main character and are the one who discovers the true plot as the game progresses.
How to Port Forward MU Online
When you are playing MU Online you might need to forward some ports in your router. Forwarding ports is a useful trick in gaming because it can really help to make your network connection most stable and sometimes even faster. Routers were not designed to allow incoming network requests and some games can play tremendously better if an incoming connection is forwarded through the router to the game.
Before You Forward a Port
Before you can forward a port you need to know the following things:
- The IP address of your router.
- The IP address of the device that the game will play on: either your computer or your console.
- The TCP and UDP ports that need to be forwarded.
How to find your router's IP Address
The easiest way to find your router's IP address is to run our free Router Detector utility. It's a part of the Network Utilities suite of tools and it's completely free to use.
How To Forward Ports
Don't have time? Use our Network Utilities software. It's the easiest way to both open and close ports in your router. Of you can do it manually if you want.
The process for forwarding a port is usually:
- Login to your router.
- Locate your routers port forwarding section.
- Put the IP address of your computer or gaming console in the appropriate box in your router.
- Put the TCP and UDP ports for your game in the matching boxes in your router.
- Sometimes you have to reboot your router for the changes to take effect.
After following those steps your ports should be forwarded. Head to our applications and games list for more port forwarding guides.