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/43211/%E8%BC%95%E9%AC%86%E5%9D%90%E6%93%81%E8%B1%AA%E8%8F%AF%E5%93%81%E7%89%8C%E7%9A%84%E6%9C%80%E5%AE%89%E5%BF%83%E9%80%94%E5%BE%91%E2%94%80Audi%20Approved%20plus%E5%A5%A7%E8%BF%AA%E5%9A%B4%E9%81%B8%E4%B8%AD%E5%8F%A4%E8%BB%8A?utm_source=feature&utm_medium=list&utm_name=page_6&utm_content=title
Physical Path   F:\Webs\U-CAR\u-car.com.tw\article\43211\%E8%BC%95%E9%AC%86%E5%9D%90%E6%93%81%E8%B1%AA%E8%8F%AF%E5%93%81%E7%89%8C%E7%9A%84%E6%9C%80%E5%AE%89%E5%BF%83%E9%80%94%E5%BE%91%E2%94%80Audi%20Approved%20plus%E5%A5%A7%E8%BF%AA%E5%9A%B4%E9%81%B8%E4%B8%AD%E5%8F%A4%E8%BB%8A
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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