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/33380/%E5%83%8F%E6%9F%B4%E6%B2%B9%E4%B8%80%E6%A8%A3%E7%87%83%E7%87%92%E6%B1%BD%E6%B2%B9%EF%BC%8CMazda%E7%AC%AC2%E4%BB%A3Skyactiv%E5%BC%95%E6%93%8E%E5%B0%87%E6%8E%A1%E3%80%8CHCCI%E5%9D%87%E8%B3%AA%E5%85%85%E5%A3%93%E9%BB%9E%E7%81%AB%E3%80%8D%E8%A8%AD%E8%A8%88?utm_source=news%2525utm_medium=related%2525utm_name=32999%2525utm_content=article
Physical Path   F:\Webs\U-CAR\u-car.com.tw\article\33380\%E5%83%8F%E6%9F%B4%E6%B2%B9%E4%B8%80%E6%A8%A3%E7%87%83%E7%87%92%E6%B1%BD%E6%B2%B9%EF%BC%8CMazda%E7%AC%AC2%E4%BB%A3Skyactiv%E5%BC%95%E6%93%8E%E5%B0%87%E6%8E%A1%E3%80%8CHCCI%E5%9D%87%E8%B3%AA%E5%85%85%E5%A3%93%E9%BB%9E%E7%81%AB%E3%80%8D%E8%A8%AD%E8%A8%88
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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