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://am.u-car.com.tw:443/article/64225/%E5%94%AE%E5%83%B9135%E8%90%AC%E8%B5%B7%E3%80%81%E5%8F%AF%E9%81%B8%E9%85%8D%E6%95%B8%E4%BD%8D%E5%84%80%E8%A1%A8%EF%BC%8C%E5%B0%8F%E6%94%B9%E6%AC%BEMini%20Countryman%E5%9C%8B%E5%85%A7%E4%BA%AE%E7%9B%B8?utm_source=am&utm_medium=list&utm_name=page_1&utm_content=title
Physical Path   F:\Webs\U-CAR\u-car.com.tw\article\64225\%E5%94%AE%E5%83%B9135%E8%90%AC%E8%B5%B7%E3%80%81%E5%8F%AF%E9%81%B8%E9%85%8D%E6%95%B8%E4%BD%8D%E5%84%80%E8%A1%A8%EF%BC%8C%E5%B0%8F%E6%94%B9%E6%AC%BEMini%20Countryman%E5%9C%8B%E5%85%A7%E4%BA%AE%E7%9B%B8
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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