Internet Information Services 7.5

Error Summary

HTTP Error 404.11 - Not Found

The request filtering module is configured to deny a request that contains a double escape sequence.

Detailed Error Information
ModuleRequestFilteringModule
NotificationBeginRequest
HandlerExtensionlessUrlHandler-Integrated-4.0
Error Code0x00000000
Requested URLhttp://codius.ru:80/articles/%D0%A2%D0%B0%D0%B9%D0%BB%D0%B0%D0%BD%D0%B4_%D1%81_%D0%BA%D0%B5%D1%88%D0%B1%D1%8D%D0%BA_%D1%81%D0%B5%D1%80%D0%B2%D0%B8%D1%81%D0%BE%D0%BC_EPN_cashback_%D0%A4%D0%BE%D1%82%D0%BE%D0%BE%D1%82%D1%87%D0%B5%D1%82_%D0%A7%D0%B0%D1%81%D1%82%D1%8C_2
Physical Pathd:\hst\codius_13d5b1df\http\articles\%D0%A2%D0%B0%D0%B9%D0%BB%D0%B0%D0%BD%D0%B4_%D1%81_%D0%BA%D0%B5%D1%88%D0%B1%D1%8D%D0%BA_%D1%81%D0%B5%D1%80%D0%B2%D0%B8%D1%81%D0%BE%D0%BC_EPN_cashback_%D0%A4%D0%BE%D1%82%D0%BE%D0%BE%D1%82%D1%87%D0%B5%D1%82_%D0%A7%D0%B0%D1%81%D1%82%D1%8C_2
Logon MethodNot yet determined
Logon UserNot yet determined
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.
Links and 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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