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/49133/Colt%20Plus%E5%B0%87%E6%96%BC11%E6%9C%88%E6%8E%A8%E5%87%BA2020%E5%B9%B4%E5%BC%8F%E3%80%81%E5%A2%9E%E5%88%97ESP%EF%BC%9F%E4%B8%AD%E8%8F%AF%E6%B1%BD%E8%BB%8A%E6%B3%95%E8%AA%AA%E6%9C%83%E8%B3%87%E8%A8%8A%E9%80%8F%E9%9C%B2%E7%8E%84%E6%A9%9F?utm_source=news&utm_medium=list&utm_name=page_2&utm_content=title
Physical Path   F:\Webs\U-CAR\u-car.com.tw\article\49133\Colt%20Plus%E5%B0%87%E6%96%BC11%E6%9C%88%E6%8E%A8%E5%87%BA2020%E5%B9%B4%E5%BC%8F%E3%80%81%E5%A2%9E%E5%88%97ESP%EF%BC%9F%E4%B8%AD%E8%8F%AF%E6%B1%BD%E8%BB%8A%E6%B3%95%E8%AA%AA%E6%9C%83%E8%B3%87%E8%A8%8A%E9%80%8F%E9%9C%B2%E7%8E%84%E6%A9%9F
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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