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/39566/%E6%8F%90%E4%BE%9B%E5%A4%9A%E9%81%946%E7%A8%AE%E8%A1%8C%E8%BB%8A%E6%A8%A1%E5%BC%8F%E9%81%B8%E6%93%87%EF%BC%8CLamborghini%20Urus%E9%A3%86%E6%B2%99%E6%B8%AC%E8%A9%A6%E5%BD%B1%E7%89%87%E6%9B%9D%E5%85%89?utm_source=roadtest&utm_medium=related&utm_name=45410&utm_content=article
Physical Path   F:\Webs\U-CAR\u-car.com.tw\article\39566\%E6%8F%90%E4%BE%9B%E5%A4%9A%E9%81%946%E7%A8%AE%E8%A1%8C%E8%BB%8A%E6%A8%A1%E5%BC%8F%E9%81%B8%E6%93%87%EF%BC%8CLamborghini%20Urus%E9%A3%86%E6%B2%99%E6%B8%AC%E8%A9%A6%E5%BD%B1%E7%89%87%E6%9B%9D%E5%85%89
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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