Dr. Tom Shinder's Configuring ISA Server 2004

Web Publishing and Server Publishing Rules allow you to make servers and services on ISA firewall Protected Networks available to users on both protected and non-protected networks. Web and Server Publishing Rules allow you to make popular services, such as SMTP, NNTP, POP3, IMAP4, Web, OWA, NNTP, Terminal Services, and many more available to users on remote networks or on other Internal or Perimeter Networks.
Web Publishing Rules and Server Publishing Rules provide very different feature sets and are used for very different purposes. In general, Web Publishing Rules should be used to publish Web servers and services, and Server Publishing Rules should be used to publish non-Web servers and services. There are exceptions to these rules, and we will discuss these exceptions in this chapter.
We will begin the chapter with a discussion of the features and capabilities of Web and Server Publishing Rules. After this general overview of Web and Server Publishing Rules, we will go into the details of how to create and configure Web and Server Publishing Rules. We will then complete this chapter with several scenarios that demonstrate how Web and Server Publishing Rules are used on production networks.
Web Publishing Rules are used to publish Web sites and services. Web Publishing is sometimes referred to as reverse proxy. When you publish a Web site, the ISA firewall s Web Proxy filter always intercepts the request and then proxies the request to the Web site published...