Proxy Server

This new feature in version 0.11 (see #426) allows a single xpra server to provide access to many xpra sessions through a single entry point, without using SSH for transport/authentication.

This can be very useful for hosts that have a limited number of publicly accessible ports, or for clients accessing servers through firewalls with outbound port filtering. (ie: you can put the server on port 80 or 443)

Depending on the Authentication module configured, the proxy server can expose:

• all local xpra sessions after user authentication
• a custom list of sessions configured through the "file-auth" mechanism

To start the proxy server, simply run:

xpra proxy :20 --auth=sys --bind-tcp=0.0.0.0:443

Note: if you run this command as root, all the user sessions will be exposed. If you run it a normal user, only this user's session will be exposed. Once authenticated, the proxy server spawns a new process and no longer runs as root.