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   http://promotion.u-car.com.tw:80/article/38864/Hyundai%E6%8C%91%E6%88%B0%E6%B0%91%E4%BF%97%E6%9C%88%EF%BC%8C%E5%A5%BD%E7%A6%AE%E9%80%81%E4%B8%8D%E5%AE%8C%E3%80%81%E6%AD%A1%E5%96%9C%E5%84%AA%E6%83%A03%E9%87%8D%E5%A4%A7%E6%94%BE%E9%80%81
Physical Path   F:\Webs\U-CAR\u-car.com.tw\article\38864\Hyundai%E6%8C%91%E6%88%B0%E6%B0%91%E4%BF%97%E6%9C%88%EF%BC%8C%E5%A5%BD%E7%A6%AE%E9%80%81%E4%B8%8D%E5%AE%8C%E3%80%81%E6%AD%A1%E5%96%9C%E5%84%AA%E6%83%A03%E9%87%8D%E5%A4%A7%E6%94%BE%E9%80%81
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.

View more information »