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   https://feature.u-car.com.tw:443/article/50063/%E5%80%8B%E6%80%A7%E5%8C%96%E8%8B%B1%E5%80%AB%E6%99%82%E5%B0%9A%E8%BB%8A%E6%AC%BE%E2%94%80Mini%20Clubman?utm_source=feature&utm_medium=list&utm_name=page_2&utm_content=title
Physical Path   F:\Webs\U-CAR\u-car.com.tw\article\50063\%E5%80%8B%E6%80%A7%E5%8C%96%E8%8B%B1%E5%80%AB%E6%99%82%E5%B0%9A%E8%BB%8A%E6%AC%BE%E2%94%80Mini%20Clubman
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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