How can an AppGate Server listen for both SSH and SSL traffic on port 443?

An AppGate Servar can't listen for both SSH and SSL traffic on the same logical interface. But by creating a virtual network interface and give it a new IP address and bind the SSL module to that interface, the AppGate Server can be listening on port 443 for both protocols on one physical interface.

You must first create a new network from the "Network/Cluster Management" panel, and it should use the same "IP network" and "Netmask" values as your existing network. I for example your network is defined for 172.23.204.0 with netmask 255.255.255.0 the new network should also use 172.23.204.0 and 255.255.255.0.

Then go to Network/Cluster Management -> System, right-click on the existing network interface and choose "Add virtual interface" which creates a new interface entry in the table. If your interface is dmfe0 it will create dmfe0:1. Assign the new interface to the new network and set the IP number you want to use.

After you commit the changes you will have a new IP address on the same network and you can choose which one(s) you want to use for SSL.