Client
TCP Tunnel
Learn how to start a TCP tunnel using portr
Use the following command to tunnel a TCP connection:
portr tcp 9000TCP tunnels are useful for exposing services like databases, SSH servers, or any service that uses raw TCP connections.
How it works
TCP tunnels work differently from HTTP tunnels:
- Portr establishes a direct TCP connection between the remote client and your local service
- No HTTP processing is involved - raw TCP data is forwarded
- The connection is bidirectional and maintains the TCP session state
Common Use Cases
- Database access: Connect to local databases from remote applications
- SSH tunneling: Access local SSH servers from remote locations
- Custom protocols: Tunnel any service that uses TCP connections
- Legacy applications: Connect to services that don't use HTTP
Port Requirements
Your Portr server needs to have the port range 30001-40001 open to accept incoming TCP connections. Make sure your server administrator has configured these ports.
Configuration
You can specify custom subdomains and ports just like with HTTP tunnels:
portr tcp 5432 --subdomain my-postgres