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We strongly recommend that all users upgrade to Microsoft Internet Information Services (IIS) version 7.0 running on Microsoft Windows Server 2008. IIS 7.0 significantly increases Web infrastructure security. For more information about IIS security-related topics, visit the following Microsoft Web site:
http://www.microsoft.com/technet/security/prodtech/IIS.mspxFor more information about IIS 7.0, visit the following Microsoft Web site:
For security reasons, Web administrators may want to disable the #exec function in Server-Side Include (SSI) files.
Important This article contains information about editing the Microsoft Internet Information Server (IIS) metabase. Before you edit the metabase, make sure you understand how to restore it if a problem occurs. For information about how to do this, view the "Configuration Backup/Restore" Help topic in the Internet Information Server snap-in for the Microsoft Management Console (MMC).
Internet Information Server (IIS) versions 3.0 and later allow command- line or CGI programs to be executed, and their text output to be returned as Web output. This is accomplished through the use of Server-Side Include (SSI) commands. An example of this type of command is as follows:
This functionality is enabled by default for the entire Web server. Web administrators may want to disable this feature. This is accomplished by performing the following steps: