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/33945/%E5%8E%9F%E7%94%9F%E8%B7%A8%E7%95%8C%E8%B7%91%E6%97%85%EF%BC%81Nissan%20Juke%E6%8C%BE%E9%80%B2%E5%8C%96%E5%86%8D%E6%8E%80%E6%BD%AE%E6%B5%81
Physical Path   F:\Webs\U-CAR\u-car.com.tw\article\33945\%E5%8E%9F%E7%94%9F%E8%B7%A8%E7%95%8C%E8%B7%91%E6%97%85%EF%BC%81Nissan%20Juke%E6%8C%BE%E9%80%B2%E5%8C%96%E5%86%8D%E6%8E%80%E6%BD%AE%E6%B5%81
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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