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
HandlerPHP-FastCGi
Error Code0x00000000
Requested URLhttp://www.chidlovski.net:80/blog/index.php/2011/07/03/%D0%BD%D0%B0%D0%BA%D0%B0%D0%BD%D1%83%D0%BD%D0%B5-%D0%BF%D1%80%D0%B0%D0%B7%D0%B4%D0%BD%D0%B8%D0%BA%D0%B0-%D0%B1%D0%BE%D1%81%D1%82%D0%BE%D0%BD%D1%81%D0%BA%D0%B0%D1%8F-%D0%B3%D0%B0%D0%B2%D0%B0%D0%BD/
Physical PathE:\Sites\Single17\chidlovski\webroot\blog\index.php\2011\07\03\%D0%BD%D0%B0%D0%BA%D0%B0%D0%BD%D1%83%D0%BD%D0%B5-%D0%BF%D1%80%D0%B0%D0%B7%D0%B4%D0%BD%D0%B8%D0%BA%D0%B0-%D0%B1%D0%BE%D1%81%D1%82%D0%BE%D0%BD%D1%81%D0%BA%D0%B0%D1%8F-%D0%B3%D0%B0%D0%B2%D0%B0%D0%BD\
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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