[SOLVED]alterIWnet

What is your router name?
Please try these instructions in the meantime:
Go into Control Panel and then Windows Firewall (Make sure you are on Classic or Large icons View).
Click on Allow a program or feature through Windows Firewall (Windows 7/Vista) or the Exceptions tab (Windows XP).
Look for iw4mp.exe and tick the box/boxes next to it and click OK.

Try this guide! It's designed for your router model and for Modern Warfare 2

WRONG YOUR ALL WORNG

first of all you need to open ports
second make sure your firewall is not bloking mw2 so check that
third go yo your routers main settings via internet make sure Upnp is enabeld
and enable nat
then i should work if not like my other router buy an other router


/solved

And you can also enable DMZ, it opens all incoming ports