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 FastCGI Extension for Internet Information Services 6.0 and 5.1Brief DescriptionThe FastCGI Extension for Internet Information Services (IIS) 6.0 and 5.1 enables popular application frameworks (such as PHP) to be hosted on the IIS web server in a high-performance and reliable way. On This PageQuick Details
OverviewThe FastCGI Extension for IIS 6.0 and 5.1 enables popular application frameworks that support FastCGI protocol to be hosted on the IIS web server in a high-performance and reliable way. FastCGI provides a high-performance alternative to the Common Gateway Interface (CGI), a standard way of interfacing external applications with Web servers that has been supported as part of the IIS feature-set since the very first release. CGI programs are executables launched by the web server for each request in order to process the request and generate dynamic responses that are sent back to the client. Because many of these frameworks do not support multi-threaded execution, CGI enables them to execute reliably on IIS by executing exactly one request per process. Unfortunately, it provides poor performance due to the high cost of starting and shutting down a process for each request. FastCGI addresses the performance issues inherent to CGI by providing a mechanism to reuse a single process over and over again for many requests. Additionally, FastCGI maintains compatibility with non-thread-safe libraries by providing a pool of reusable processes and ensuring that each process will only handle one request at a time. System Requirements
InstructionsDownload the appropriate file for your computer's processor by clicking one of the links below. You can run the package directly from the link or you can also save it on your local disk to install later. The setup package will copy all FastCGI related executables to your machine and will register FastCGI Extension with IIS. After installation is complete, follow the configuration instructions available on IIS.NET community site. Additional InformationIf previous version of FastCGI extension is already installed (Go Live release or Intermediate release), it is necessary to un-install it before launching setup for FastCGI extension. You can un-install previous version by using standard “Add Remove Programs” dialog. Please note that when it is un-installed, all the FastCGI related script maps will be removed from IIS configuration. You will be able to restore the original script maps after the new version of FastCGI extension has been installed by running the following command from Windows command line prompt: cscript %WINDIR%\system32\inetsrv\fcgiconfig.js -syncini Files in This DownloadThe links in this section correspond to separate files available in this download. Download the files most appropriate for you.
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