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/41548/%E3%80%90U-Live%E7%9B%B4%E6%92%AD%E3%80%91%E7%AC%AC20%E9%9B%86%EF%BC%9ACX-3%E5%85%A8%E9%80%9F%E5%9F%9FMRCC%E5%AF%A6%E6%B8%AC%EF%BC%81BMW%20X5X7%E5%85%A8%E7%90%83%E9%A6%96%E8%A9%A6?%2520%25E8%258B%25B1%25E5%2587%25B1%25E5%25BC%25B5%25E6%2597%25AD%25E5%2591%258A%25E8%25A8%25B4%25E4%25BD%25A0%25EF%25BC%2581?utm_source=news&utm_medium=related&utm_name=42245&utm_content=article
Physical Path   F:\Webs\U-CAR\u-car.com.tw\article\41548\%E3%80%90U-Live%E7%9B%B4%E6%92%AD%E3%80%91%E7%AC%AC20%E9%9B%86%EF%BC%9ACX-3%E5%85%A8%E9%80%9F%E5%9F%9FMRCC%E5%AF%A6%E6%B8%AC%EF%BC%81BMW%20X5X7%E5%85%A8%E7%90%83%E9%A6%96%E8%A9%A6
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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