About Web listeners
When you create a Web publishing rule in Microsoft Forefront Threat Management Gateway, you must specify a Web listener that will be associated with the rule. Each Web publishing rule is applied only to Web requests that are sent to an IP address and port specified in the Web listener associated with the rule. When a Web request matches a Web publishing rule and its associated Web listener, the properties of the Web listener determine, in particular, how Forefront TMG authenticates the user who sent the request.
This section includes the following topics: