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   https://www.versustravel.eu:443/el/node/850/%CF%84%CE%BF_%CF%84%CE%B1%CE%BE%CE%B9%CE%B4%CE%B9_%CE%BC%CE%B5_%CF%84%CE%BF_Versus
Physical Path   C:\Inetpub\vhosts\versustravel.eu\httpdocs\el\node\850\%CF%84%CE%BF_%CF%84%CE%B1%CE%BE%CE%B9%CE%B4%CE%B9_%CE%BC%CE%B5_%CF%84%CE%BF_Versus
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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