Chapter 10. Baseline security framework 279
Since WebSEAL does not support virtual hosting using the Host HTTP Header,
this means that a different IP address/port combination must be used for each
protocol (HTTP/HTTPS) of each instance.
By default, a WebSEAL server will bind to the ports on all IP addresses specified
on the local machine. In this case, each instance must use a different port
number. Clients can access the WebSEAL instances via any of the local IP
addresses, but they must specify the correct port number to connect to the
desired instance.
If the same ports are to be used by multiple instances (port 80 and 443, for
example), then each of these instances must be configured to bind to a different
IP address. When a WebSEAL instance ...