Microsoft KB Archive/161559

= Executing Perl Scripts Generates 403 Access Forbidden Error =

Article ID: 161559

Article Last Modified on 6/23/2005

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APPLIES TO


 * Microsoft Internet Information Server 2.0
 * Microsoft Internet Information Server 3.0

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This article was previously published under Q161559



We strongly recommend that all users upgrade to Microsoft Internet Information Services (IIS) version 6.0 running on Microsoft Windows Server 2003. IIS 6.0 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.mspx



SYMPTOMS
After you install Perl, the following error message may appear when you execute a Perl script from the Scripts virtual directory:

HTTP/1.0 403 Access Forbidden (Read Access Denied - This Virtual

Directory does not allow objects to be read.)



CAUSE
During the installation of Perl, a registry entry is added to the following subkey:

  HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\W3Svc\Parameters \Script Map\.pl : Reg_Sz : Path:\PerlIS.Dll

This registry entry specifies that a file with the extension .pl can be executed in a virtual directory and calls the PerlIs.dll interpreter.



WORKAROUND
All Internet Services must be stopped and then restarted after installing Perl for Windows NT. The registry change will not take effect until the services have been restarted.

The third-party products discussed here are manufactured by vendors independent of Microsoft; we make no warranty, implied or otherwise, regarding these products' performance or reliability.

Additional query words: IIS

Keywords: kberrmsg KB161559

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