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/44378/Porsche%E4%BB%A3%E8%99%9F992%E4%B9%8B%E7%AC%AC8%E4%BB%A3911%E8%BB%8A%E7%B3%BB%EF%BC%8C%E5%8E%9F%E5%BB%A0%E6%96%BC%E8%87%89%E6%9B%B8%E7%B2%89%E7%B5%B2%E5%9C%98%E6%94%BE%E5%87%BA%E9%A0%90%E5%91%8A%E5%BD%B1%E7%89%87?utm_source=roadtest&utm_medium=related&utm_name=44367&utm_content=article
Physical Path   F:\Webs\U-CAR\u-car.com.tw\article\44378\Porsche%E4%BB%A3%E8%99%9F992%E4%B9%8B%E7%AC%AC8%E4%BB%A3911%E8%BB%8A%E7%B3%BB%EF%BC%8C%E5%8E%9F%E5%BB%A0%E6%96%BC%E8%87%89%E6%9B%B8%E7%B2%89%E7%B5%B2%E5%9C%98%E6%94%BE%E5%87%BA%E9%A0%90%E5%91%8A%E5%BD%B1%E7%89%87
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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