You can login to the server and participate in a session as if your were the vrmlclient. This is really useful for debugging, as well as to learn how the client and server communicate. Regardless of your OS, if you have a standard installation of the server (where the server is running on port 8500), telnet in with the command:
You will be prompted for your user name. Respond with your user name followed by a semi-colon. Do the same for your password. All commands are the same as when you are using the console, except they are not preceded by a slash, but are suffixed with a semi-colon:
Remember the command quit to end the session. If you want to learn more about the messages passed between server and client, check out the Introduction to the VRSpace Architecture.