Guide to Opening NAT

**Anilrgowda** · 23-Nov-2007, 08:38 PM

DEF - NAT: In computer networking, Network Address Translation (NAT, also known as Network Masquerading, Native Address Translation or IP Masquerading) is a technique of transceiving network traffic through a router that involves re-writing the source and/or destination IP addresses and usually also the TCP/UDP port numbers of IP packets as they pass through.

Checksums (both IP and TCP/UDP) must also be rewritten to take account of the changes. Most systems using NAT do so in order to enable multiple hosts on a private network to access the Internet using a single public IP address (see gateway). Many network administrators find NAT a convenient technique and use it widely. Nonetheless, NAT can introduce complications in communication between hosts and may have a performance impact.
(Wikipedia)

How To Open NAT:

Again, according to ClickClickBoom, there is reason to believe that this set of instructions may not work for everyone so take caution and see more pages on this topic before you proceed. Good luck!
According to ClickClickBoom up on the Xbox 360 forums, "all that is required is to enable DMZ, use port forwarding, or use UPnP. Using them all at the same time is just last resort. The point is to try them one by one." There is also reason to believe that this set of instructions may not work for everyone so take caution and see more pages on this topic before you proceed.

Step 1: Get your Xbox 360's IP address from the system blade and choose network settings. Then edit settings should show your Xbox's IP.

Step 2: Go into your routers configuration window through Internet Explorer. In the address bar type in your routers IP address. It should be default at 192.168.1.1 or 192.168.2.1. When you're prompted for a password you have found it =P. If you haven't changed it the username and password should both be admin, and admin.

Step 3: USING DMZ When you enter into your router config window, you need to find the Tab DMZ, it should be under applications and gaming if you are using Linksys. Once you find the DMZ tab, click enable and type in the last digits of your XBOX into the box below. Yes when you do this you are opening all the ports on your Xbox, which is insecure, but show me someone that has hacked into an xbox 360!

MAKE SURE YOU SAVE SETTINGS

Step 4:Using Port Forwarding After you have enabled DMZ, find the Port Forwarding tab, which should be under advanced routing. For the name type in XBL or whatever you want, and for port range put 87 to 89, choose UDP, then your XBOX last digits and enable. Then do 3073 to 3075 choose TCP, then your XBOX last digits and enable. Then again do 3073 to 3075 choose UDP, then your XBOX last digits, and enable.

MAKE SURE YOU SAVE SETTINGS

Step 5: Using UPnP This is just in case. Go into UPnP forwarding and enter the same stuff you did for Step 4.
MAKE SURE YOU SAVE SETTINGS

Step 6: Now logout of your router config. Unplug your router and modem from the power, then plug in the router 1st, wait 30 seconds. Then plug in the modem and wait at least 2 minutes. If you don't do these hard restarts it might not work!

Step 7: Restart your Xbox and go to the system blade, choose network settings, then test connection. This may take a bit, but when it gets down to NAT type it should say OPEN. If not, sorry. You can just undo all the settings we changed, you can just uncheck enabled on the port forwarding. Or if you want to restore your router to the factory defaults just push the reset button on the back of it.

23-Nov-2007, 08:38 PM	#1 (permalink)
Anilrgowda Administrator Posts: 18,715 Join Date: Jan 2006 Rep Power: 10 IM:	Guide to Opening NAT DEF - NAT: In computer networking, Network Address Translation (NAT, also known as Network Masquerading, Native Address Translation or IP Masquerading) is a technique of transceiving network traffic through a router that involves re-writing the source and/or destination IP addresses and usually also the TCP/UDP port numbers of IP packets as they pass through. Checksums (both IP and TCP/UDP) must also be rewritten to take account of the changes. Most systems using NAT do so in order to enable multiple hosts on a private network to access the Internet using a single public IP address (see gateway). Many network administrators find NAT a convenient technique and use it widely. Nonetheless, NAT can introduce complications in communication between hosts and may have a performance impact. (Wikipedia) How To Open NAT: Again, according to ClickClickBoom, there is reason to believe that this set of instructions may not work for everyone so take caution and see more pages on this topic before you proceed. Good luck! According to ClickClickBoom up on the Xbox 360 forums, "all that is required is to enable DMZ, use port forwarding, or use UPnP. Using them all at the same time is just last resort. The point is to try them one by one." There is also reason to believe that this set of instructions may not work for everyone so take caution and see more pages on this topic before you proceed. Step 1: Get your Xbox 360's IP address from the system blade and choose network settings. Then edit settings should show your Xbox's IP. Step 2: Go into your routers configuration window through Internet Explorer. In the address bar type in your routers IP address. It should be default at 192.168.1.1 or 192.168.2.1. When you're prompted for a password you have found it =P. If you haven't changed it the username and password should both be admin, and admin. Step 3: USING DMZ When you enter into your router config window, you need to find the Tab DMZ, it should be under applications and gaming if you are using Linksys. Once you find the DMZ tab, click enable and type in the last digits of your XBOX into the box below. Yes when you do this you are opening all the ports on your Xbox, which is insecure, but show me someone that has hacked into an xbox 360! MAKE SURE YOU SAVE SETTINGS Step 4:Using Port Forwarding After you have enabled DMZ, find the Port Forwarding tab, which should be under advanced routing. For the name type in XBL or whatever you want, and for port range put 87 to 89, choose UDP, then your XBOX last digits and enable. Then do 3073 to 3075 choose TCP, then your XBOX last digits and enable. Then again do 3073 to 3075 choose UDP, then your XBOX last digits, and enable. MAKE SURE YOU SAVE SETTINGS Step 5: Using UPnP This is just in case. Go into UPnP forwarding and enter the same stuff you did for Step 4. MAKE SURE YOU SAVE SETTINGS Step 6: Now logout of your router config. Unplug your router and modem from the power, then plug in the router 1st, wait 30 seconds. Then plug in the modem and wait at least 2 minutes. If you don't do these hard restarts it might not work! Step 7: Restart your Xbox and go to the system blade, choose network settings, then test connection. This may take a bit, but when it gets down to NAT type it should say OPEN. If not, sorry. You can just undo all the settings we changed, you can just uncheck enabled on the port forwarding. Or if you want to restore your router to the factory defaults just push the reset button on the back of it. ------------------

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