NET, regular expression pattern matching, and wildcard mapping to examine information in both URLs and other HTTP headers and IIS server variables. URL Rewrite allows Web administrators to easily build powerful rules using rewrite providers written in. Define powerful rules to transform complex URLs into simple and consistent Web addresses In addition, Web administrators can perform redirects, send custom responses, or stop HTTP requests based on the logic expressed in the rewrite rules.

NET providers, and other functionality integrated into IIS Manager, Web administrators can easily set up rules to define URL rewriting behavior based on HTTP headers, HTTP response or request headers, IIS server variables, and even complex programmatic rules. IIS URL Rewrite 2.1 enables Web administrators to create powerful rules to implement URLs that are easier for users to remember and easier for search engines to find.