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/41237/%E7%92%B0%E4%BF%9D%E4%B8%8D%E6%98%AF%E9%9B%B6%E6%8E%92%E6%94%BE%E8%80%8C%E5%B7%B2%EF%BC%8CNissan%E5%9C%A8%E6%97%A5%E6%9C%AC%E5%95%9F%E5%8B%95Leaf%E6%9B%B4%E6%8F%9B%E8%88%8A%E9%9B%BB%E6%B1%A0%E8%A8%88%E7%95%AB?utm_source=news&utm_medium=related&utm_name=44984&utm_content=article
Physical Path   F:\Webs\U-CAR\u-car.com.tw\article\41237\%E7%92%B0%E4%BF%9D%E4%B8%8D%E6%98%AF%E9%9B%B6%E6%8E%92%E6%94%BE%E8%80%8C%E5%B7%B2%EF%BC%8CNissan%E5%9C%A8%E6%97%A5%E6%9C%AC%E5%95%9F%E5%8B%95Leaf%E6%9B%B4%E6%8F%9B%E8%88%8A%E9%9B%BB%E6%B1%A0%E8%A8%88%E7%95%AB
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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