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/63377/%E5%94%AE%E5%83%B9642E9%E8%90%AC%E5%85%83%E8%B5%B7%E3%80%81%E6%8F%9B%E6%90%AD%E9%BB%91%E8%89%B2%E7%9A%AE%E8%B3%AA%E5%BA%A7%E6%A4%85%E4%B8%A6%E6%A8%99%E9%85%8D%E5%BE%8C%E5%BA%A7USB%EF%BC%8C2021%E5%B9%B4%E5%BC%8FCMC%20Zinger%E7%8F%BE%E8%BA%AB%E5%AE%98%E7%B6%B2?utm_source=roadtest&utm_medium=related&utm_name=63521&utm_content=article
Physical Path   F:\Webs\U-CAR\u-car.com.tw\article\63377\%E5%94%AE%E5%83%B9642E9%E8%90%AC%E5%85%83%E8%B5%B7%E3%80%81%E6%8F%9B%E6%90%AD%E9%BB%91%E8%89%B2%E7%9A%AE%E8%B3%AA%E5%BA%A7%E6%A4%85%E4%B8%A6%E6%A8%99%E9%85%8D%E5%BE%8C%E5%BA%A7USB%EF%BC%8C2021%E5%B9%B4%E5%BC%8FCMC%20Zinger%E7%8F%BE%E8%BA%AB%E5%AE%98%E7%B6%B2
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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