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/46420/%E7%99%BC%E8%A1%A8%E5%85%A8%E6%96%B0%E4%BC%81%E6%A5%AD%E8%AD%98%E5%88%A5%E8%88%87%E9%A1%98%E6%99%AF%EF%BC%8C%E3%80%8C%E4%B8%AD%E8%8F%AF%E6%B1%BD%E8%BB%8A%E5%93%81%E7%89%8C%E9%A4%A8%E3%80%8D%E9%96%8B%E5%B9%95?utm_source=news&utm_medium=related&utm_name=48113&utm_content=article
Physical Path   F:\Webs\U-CAR\u-car.com.tw\article\46420\%E7%99%BC%E8%A1%A8%E5%85%A8%E6%96%B0%E4%BC%81%E6%A5%AD%E8%AD%98%E5%88%A5%E8%88%87%E9%A1%98%E6%99%AF%EF%BC%8C%E3%80%8C%E4%B8%AD%E8%8F%AF%E6%B1%BD%E8%BB%8A%E5%93%81%E7%89%8C%E9%A4%A8%E3%80%8D%E9%96%8B%E5%B9%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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