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/50292/%E5%9C%8B%E7%94%A2%E5%BE%9E%E5%A4%A7%E7%9A%84%E6%8F%9B%E6%88%90%E5%B0%8F%E7%9A%84%EF%BC%8C%E5%8D%97%E9%99%BD%E5%AE%A3%E5%B8%83Hyundai%20Venue%E5%B0%87%E6%96%BC2020%E4%B8%8B%E5%8D%8A%E5%B9%B4%E7%99%BB%E5%A0%B4?utm_source=news%2525utm_medium=related%2525utm_name=50591%2525utm_content=article
Physical Path   F:\Webs\U-CAR\u-car.com.tw\article\50292\%E5%9C%8B%E7%94%A2%E5%BE%9E%E5%A4%A7%E7%9A%84%E6%8F%9B%E6%88%90%E5%B0%8F%E7%9A%84%EF%BC%8C%E5%8D%97%E9%99%BD%E5%AE%A3%E5%B8%83Hyundai%20Venue%E5%B0%87%E6%96%BC2020%E4%B8%8B%E5%8D%8A%E5%B9%B4%E7%99%BB%E5%A0%B4
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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