# Publish a port

Run your server on a high port, then publish that port from the workspace page. DevPlace gives it a
public HTTPS address of the form `<port>-<name>.tunnel.pravda.education`.

**A tunnel is public and unauthenticated.** Anyone with the link reaches whatever you are serving.

Your live addresses are always listed in `/app/.devplace/tunnels.json`, and
**DevPlace: Show public tunnels** opens any of them.

Ports below 1024 cannot bind in a workspace. Use a high port.
