This tool will help you test your configuration: simulatortoolhelper. We cannot promise any of these with work in your particular network, but people have reported successes with workarounds in the guides below.īefore you start making changes, make 100% sure the issue IS an actual NAT loopback problem. Read more here Below are some workarounds and guides. This is defined as a "NAT Loopback issue. In the case of OpenSimulator, if someone is hosting a public aspect of OpenSimulator on their home computer, NAT loopback makes it easier for that public service to be advertised to the world and easily accessible to the “hoster” on the LAN as well.You read this because you have run into a problem where outside users can connect to your region, but you cannot get in from within your local network. Which is all to say: For basic gaming use and simple Internet browsing, you will most likely never bump heads with a scenario in which you would need to enable NAT loopback.Ī nice explanation on when NAT loopback can and should be used can be found on this NAT loopback page on the OpenSimulator site. No need to edit a hosts file to “hack” an entry to point to 192.168.1.10 just let NAT loopback properly route 123.456.789.0 to 192.168.1.10. The other benefit is if you had a domain name or hostname that pointed to 123.456.789.0 for some reason, that domain name or hostname would always work since it would always point to 123.456.789.0. Just enable NAT loopback and then go to 123.456.789.0 and you will always get the server on 192.168.1.10 without ever having to remember that internal IP address. This might sound like a trivial difference, but it can allow you to simplify bookmarks and stored connections by not having to keep track of two IP addresses. What NAT loopback does is it allows you to tell your router to be aware of any requests coming from inside the LAN to port 80 and route them correctly to 123.456.789.0. Well, here is the conundrum of port forwarding: If you wanted to access the web server on 123.456.789.0 via your LAN, you couldn’t use that address. Like let’s say 123.456.789.0 is running a web server on port 80, then you would set your router to port forward port 80 connections coming to 123.456.789.0 so they go to 192.168.1.10.īut what does any of that have to do with NAT loopback? Well, to have 123.456.789.0 access the services via 192.168.1.10 one would typically just setup port forwarding. But what if you wanted someone to access that server via the WAN on 123.456.789.0. Well, if you wanted to access those services on your LAN right now you would connect to 192.168.1.10. Meaning you have some server doing something at address 192.168.1.10. That’s the way most of us use our Internet connections.īut let’s say in you are hosting a service on your LAN behind your router. Whenever you do anything on the Internet, that 123.456.789.0 is connected to your actions. Meaning let’s say you have an ISP assigned address of 123.456.789.0. This is beneficial if you have a hostname connected to the IP address of your WAN or just if you want to be able to access services via your WAN address instead of dealing with the internal LAN address. The main benefit of NAT loopback is that it allows one to treat the router’s WAN address as if it were in a LAN. But if you don’t know what that means or haven’t dealt with that stuff, you should be fine without NAT loopback. NAT loopback just simplifies the way a LAN connection might access services you expose to the world on your WAN. Pretty confident the answer is enabling NAT loopback will not help you in any way for your basic needs.
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