With IIS Mod-Rewrite Standard you can manipulate URLs on the fly, make your website search engine friendly, make redirects, block specific URLs, block annoying robots and a lot more. IIS Mod-Rewrite is rule based and supports regular expressions. It is compatible with apache mod_rewrite, implementing nearly all it's features. IIS Mod-Rewrite Standard supports per-server and per-virtual host configurations, and it works with IIS 5.0, 5.1 and 6.0. It also supports online updates and version history. You can switch to an older or newer version with just one click.