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   ExtensionlessUrlHandler-Integrated-4.0
Error Code   0x00000000
Requested URL   https://tv.u-car.com.tw:443/tv/watch/65462/%E3%80%90%E8%A9%A6%E9%A7%95%E3%80%91Bob%20%E8%A9%A6%E9%A7%95%20Lexus%20LM%20300h%EF%BC%9A4%E4%BA%BA%E5%BA%A7MPV%E8%BB%8A%E5%9E%8B%E6%9C%89%E5%A6%82%E5%B0%8A%E7%88%B5%E7%A7%BB%E5%8B%95%E8%B1%AA%E5%AE%85%20%20%E6%96%B0%E8%BB%8A%E8%A9%A6%E9%A7%95
Physical Path   F:\Webs\U-CAR\u-car.com.tw\tv\watch\65462\%E3%80%90%E8%A9%A6%E9%A7%95%E3%80%91Bob%20%E8%A9%A6%E9%A7%95%20Lexus%20LM%20300h%EF%BC%9A4%E4%BA%BA%E5%BA%A7MPV%E8%BB%8A%E5%9E%8B%E6%9C%89%E5%A6%82%E5%B0%8A%E7%88%B5%E7%A7%BB%E5%8B%95%E8%B1%AA%E5%AE%85%20%20%E6%96%B0%E8%BB%8A%E8%A9%A6%E9%A7%95
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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