Thursday, December 13, 2007

URL Rewriting Using ISAPI_Rewrite

ISAPI_Rewrite is a powerful URL manipulation engine based on regular expressions. It acts mostly like Apache's mod_Rewrite, but is designed specifically for Microsoft's Internet Information Server (IIS). ISAPI_Rewrite is an ISAPI filter written in pure C/C++ so it is extremely fast. ISAPI_Rewrite gives you the freedom to go beyond the standard URL schemes and develop your own scheme.

What you can do with ISAPI_Rewrite:

Optimize your dynamic content like forums or e-stores to be indexed by a popular search engines.
*Block hot linking of your data files by other sites.
*Develop a custom authorization scheme and manage access to the static files using custom scripts and database.
*Proxy content of one site into directory on another site.
*Make your Intranet servers to be accessible from the Internet by using only one Internet server with a very flexible permissions and security options.
*Create dynamic host-header based sites using a single physical site.
*Create virtual directory structure of the site hiding physical files and extensions.

This also helps moving from one technology to another.
Return a browser-dependent content even for static files.
And many other problems could be solved with the power of the regular expression engine built into the ISAPI_Rewrite.

For more detailed information
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