Leaving+google




IIS 10.0 Detailed Error - 404.11 - Not Found






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   StaticFile
Error Code   0x00000000









Requested URL   http://127.0.0.1:80/ftp/blogs/03.Leaving+google.txt
Physical Path   X:\downloads\blogs\03.Leaving+google.txt
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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