Testing for LoopBackIf you are reading this, it is probably because you already know loopback is not working and clicked the Help menu to get here. So you can skip down below and go right to "Installing the Loopback Adapter".
You can manually test for loopback by starting Opensimulator, then use a web browser to navigate to http://canyouseeme.org. Enter port 8002 and click Check Port. This must work. if not, fix the port forwarding issues and come back and try this test again.
Your ports are known to be working now, so go get the Public IP of your system from http://canyouseeme.org. Use a web browser to navigate to http://(Public IP):8002. Use your Public IP where it says (Public IP).
You should get an error message saying that the "knomes have absconded with the hippos". This is Opensim telling you it is working and loopback is okay. (Hippos are the mascot for Opensim.) If you get this page, loopback is working. If you do not get this page, loopback is not working in your router.
Fixing LoopbackYou need to edit your \etc\hosts file.
Search for Notepad, then right-click on Notepad in the search results list, and choose to run it as administrator. If you’re using Windows 10 this will be on the Start Menu.
Once you’ve done so, open up the following file using the File -> Open feature.
Then you can edit as normal.
To access the hosts file in Windows 7 you can use the following command in the Run Line to open notepad and the file.
notepad c:\windows\system32\drivers\etc\hostsNow enter 127.0.0.1 and then your choice of your domain name separated by a space or a tab character, like this
Now that you have edited your Hosts file make sure to save it.
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