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/41061/Toyota%20C-HR%E7%BE%8E%E5%9C%8B%E9%8A%B7%E5%94%AE%E6%88%B0%E6%83%85%E5%91%8A%E6%80%A5%EF%BC%8C%E9%82%A3%E8%87%BA%E7%81%A3%E5%8F%88%E6%98%AF%E5%A6%82%E4%BD%95?utm_source=news&utm_medium=related&utm_name=35271&utm_content=article
Physical Path   F:\Webs\U-CAR\u-car.com.tw\article\41061\Toyota%20C-HR%E7%BE%8E%E5%9C%8B%E9%8A%B7%E5%94%AE%E6%88%B0%E6%83%85%E5%91%8A%E6%80%A5%EF%BC%8C%E9%82%A3%E8%87%BA%E7%81%A3%E5%8F%88%E6%98%AF%E5%A6%82%E4%BD%95
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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