HTTP Error 404.11 - Not Found

The request filtering module is configured to deny a request that contains a double escape sequence.

Most likely causes:

  • The request contained a double escape sequence and request filtering is configured on the Web server to deny double escape sequences.

Things you can try:

  • Verify the configuration/system.webServer/security/requestFiltering@allowDoubleEscaping setting in the applicationhost.config or web.confg file.

Detailed Error Information:

Module   RequestFilteringModule
Notification   BeginRequest
Handler   StaticFile
Error Code   0x00000000
Requested URL   http://www.mr.kcchip.com:80/%E0%A4%AA%E0%A5%83%E0%A4%A5%E0%A5%8D%E0%A4%B5%E0%A5%80-4-45-%E0%A4%85%E0%A4%AC%E0%A5%8D%E0%A4%9C-%E0%A4%B5%E0%A4%B0%E0%A5%8D%E0%A4%B7%E0%A4%BE%E0%A4%82%E0%A4%AA%E0%A5%82%E0%A4%B0%E0%A5%8D%E0%A4%B5/
Physical Path   C:\inetpub\wwwroot\windowsapi\public\%E0%A4%AA%E0%A5%83%E0%A4%A5%E0%A5%8D%E0%A4%B5%E0%A5%80-4-45-%E0%A4%85%E0%A4%AC%E0%A5%8D%E0%A4%9C-%E0%A4%B5%E0%A4%B0%E0%A5%8D%E0%A4%B7%E0%A4%BE%E0%A4%82%E0%A4%AA%E0%A5%82%E0%A4%B0%E0%A5%8D%E0%A4%B5\
Logon Method   Not yet determined
Logon User   Not yet determined

More Information:

This is a security feature. Do not change this feature unless the scope of the change is fully understood. You should take a network trace before changing this value to confirm that the request is not malicious. If double escape sequences are allowed by the server, modify the configuration/system.webServer/security/requestFiltering@allowDoubleEscaping setting. This could be caused by a malformed URL sent to the server by a malicious user.

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