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/44615/%E5%A4%A9%E7%B1%9F%E8%88%AC%E7%9A%84%E8%90%AC%E8%BD%89%E5%8D%83%E5%8C%B9%E6%BC%94%E5%87%BA%EF%BC%8CAston%20Martin%E9%87%8B%E5%87%BAValkyrie%E5%BC%95%E6%93%8E%E6%B8%AC%E8%A9%A6%E5%BD%B1%E7%89%87?utm_source=news&utm_medium=list&utm_name=page_10&utm_content=image
Physical Path   F:\Webs\U-CAR\u-car.com.tw\article\44615\%E5%A4%A9%E7%B1%9F%E8%88%AC%E7%9A%84%E8%90%AC%E8%BD%89%E5%8D%83%E5%8C%B9%E6%BC%94%E5%87%BA%EF%BC%8CAston%20Martin%E9%87%8B%E5%87%BAValkyrie%E5%BC%95%E6%93%8E%E6%B8%AC%E8%A9%A6%E5%BD%B1%E7%89%87
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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