ProtoProxy (or 'Protocol Proxy') is a TCP connection proxy/forwarder that forwards TCP connections to
a predefined host depending on the protocol of the client application. This
makes it possible to share one TCP port among several services running on the same
server or network.
Advantages
- Less open ports in your firewall.
- Makes it harder for a hacker to identify the available services on a server.
- Access to all of your services from networks which only allows outgoing connections to port 80 (HTTP) and 443 (HTTPS).
- More