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   ApiURIs-ISAPI-Integrated-4.0
Error Code   0x00000000
Requested URL   http://feature.u-car.com.tw:80/article/37254/%E6%BA%90%E8%87%AA%E8%B3%BD%E9%81%93%EF%BC%8C%E8%B5%B0%E9%81%8E%E5%8D%8A%E4%B8%96%E7%B4%80%E7%9A%84%E6%BF%80%E6%83%85%E2%94%80Mercedes-AMG%E7%99%BC%E5%B1%95%E6%AD%B7%E5%8F%B2
Physical Path   F:\Webs\U-CAR\u-car.com.tw\article\37254\%E6%BA%90%E8%87%AA%E8%B3%BD%E9%81%93%EF%BC%8C%E8%B5%B0%E9%81%8E%E5%8D%8A%E4%B8%96%E7%B4%80%E7%9A%84%E6%BF%80%E6%83%85%E2%94%80Mercedes-AMG%E7%99%BC%E5%B1%95%E6%AD%B7%E5%8F%B2
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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