Go in Control Panel
Click ADD Hardware
Click Next
Select I have already connected the hardware and click next
Select Add new hardware device and click next
Select install the hardware that i manually select from a list(Advanced)and click next
Select Network Adapters and click next
Select Microsoft Loopback Adapter click next , again click next and Finish
Now enter
My IP and there it is your global ip , note it somewhere because you will need it.
Go in Control Panel
Double click Network Connections
You will see a Area Connection , at me it's Area Connection 2 , at yyou will be 2 , 3 , 4 etc.
Right Click , Proprietes
Click Internet Protocol and then click Proprietes
Select Use The Folloing Ip Adress and do like so:
at ip adress put your global ip.At Subnet Mask put 255.255.255.0 and at Default Geteway put your local ip (you can find it in Start>Run>cmd>ipconfig).
Now the ip's in MuServer:
D:\MuServer\CS - change all with your global ip (
My IP)
D:\MuServer\Data : -IpList : ip global
D:\MuServer\Data commonserver - there are 3 ip's u change all of them with your
local ip
D:\MuServer\Data\lang\Chs\Commonloc ip local
D:\MuServer\Data\lang\Kor\Commonloc ip local
D:\MuServer\Data\lang\vtm\Commonloc ip local
D:\MuServer\RankingServer\svconfig - your SQL Pass
D:\MuServer\EventServer\DATA\svconfig - your SQL Pass
If u use the links change the ip from your 4 and 8 link with your local ip
If u use MuServerStartup go in Configurations and change all the ip's with your local ip
Now we need to open some ports go
PortForward.com - Free Help Setting up Your Router or Firewall you will see a games list , search mu online , click on it , then you chose what router do you have and look at the pics , you will succed 100% , you will need to open this ports for MuOnline 55901 and 44405
Credits: Cobalt
Напиши на адрес в Internet Explorer 192.168.1.1 ще ти поиска име и парола .. виж модема(рутера) какъв модел е и потарси в Google името и параолата на твоя модем(рутер) като влезеш ще видиш има да си добавяш портове които изкаш да бъдат отворени 
