Unknown HTTP Verbs Generate a 405 Error Message Instead of a 501 Error Message (311618)


The information in this article applies to:

  • Microsoft Internet Information Services version 5.1
This article was previously published under Q311618

SYMPTOMS

If you supply a verb that Internet Information Services (IIS) does not recognize in an HTTP header, you receive the following error message:
HTTP 405 - Resource not allowed
Internet Information Services
You expect to receive the following error message:
Error 501 - Not implemented
Internet Information Services

CAUSE

You can use arbitrary verbs with Common Gateway Interface (CGI) scripts or Internet Server Application Programming Interface (ISAPI) filters.

STATUS

This behavior is by design.
Modification Type:MajorLast Reviewed:5/8/2002
Keywords:kbprb KB311618
©2002 Microsoft Corporation. All rights reserved.