[Feature Request] UDPGW

[tormentous]

UDP Gateway (UDPGW) is a daemon that enables UDP packet forwarding over SSH tunnels. It's particularly useful for applications that rely on UDP, such as DNS, VoIP, and online gaming, when you need to route their traffic through an SSH tunnel. How it works:

• UDP Packet Arrival: A UDP packet arrives at the client machine.
• UDPGW Intercept: The UDPGW daemon intercepts the packet.
• Packet Encapsulation: The packet is encapsulated within an SSH packet.
• SSH Tunnel Transmission: The encapsulated packet is sent through the SSH tunnel.
• Server-Side Decapsulation: On the server side, the UDPGW daemon receives the SSH packet and decapsulates the original UDP packet.
• UDP Packet Forwarding: The original UDP packet is forwarded to its intended destination. Key Benefits:
• Enhanced Privacy: By encrypting UDP traffic within an SSH tunnel, you can increase privacy and security.
• Circumventing Network Restrictions: UDPGW can help bypass network restrictions or firewalls that block UDP traffic.
• Improved Reliability: SSH tunnels provide a more reliable connection than direct UDP connections, especially in unstable network environments. Common Use Cases:
• Secure DNS: Encrypts DNS queries and responses for added privacy.
• VoIP Over SSH: Enables secure VoIP calls over SSH tunnels.
• Online Gaming: Allows online gaming through firewalls or restricted networks.
• Custom Applications: Can be used with any application that relies on UDP. Popular Implementations:
• BadVPN: A popular open-source tool that includes UDPGW functionality.
• Other VPN Clients: Some VPN clients may offer built-in UDPGW capabilities. By understanding UDPGW and its applications, you can leverage its power to enhance your network security and flexibility.

[heiher]

If the UDPGW requires running a daemon on the SSH server, I recommend replacing it with hev-socks5-server. You can then map the server-side hev-socks5-server to your local host via SSH's TCP port forwarding. This setup allows hev-socks5-tunnel to relay UDP over TCP through the SSH tunnel.