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://news.u-car.com.tw:443/article/50217/800%E5%8C%B9%E9%AB%98%E6%80%A7%E8%83%BD%E6%B2%B9%E9%9B%BB%EF%BC%81M-AMG%E5%B0%87%E6%8E%A8%E5%87%BA%E9%A0%82%E7%B4%9A%E7%9A%84GT%2073%E8%BB%8A%E5%9E%8B?utm_source=news&utm_medium=list&utm_name=page_8&utm_content=title
Physical Path   F:\Webs\U-CAR\u-car.com.tw\article\50217\800%E5%8C%B9%E9%AB%98%E6%80%A7%E8%83%BD%E6%B2%B9%E9%9B%BB%EF%BC%81M-AMG%E5%B0%87%E6%8E%A8%E5%87%BA%E9%A0%82%E7%B4%9A%E7%9A%84GT%2073%E8%BB%8A%E5%9E%8B
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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