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   ExtensionlessUrlHandler-Integrated-4.0
Error Code   0x00000000
Requested URL   http://www.djzot.com:80/983-48210804-%E3%80%90%E5%8D%B3%E7%B4%8D%E3%80%91%E3%83%95%E3%82%A7%E3%82%A4%E3%82%AF%E3%83%AC%E3%82%B6%E3%83%BC%E3%82%B7%E3%83%A7%E3%83%BC%E3%83%88%E3%83%91%E3%83%B3%E3%83%84%E3%80%90%E4%BA%88%E7%B4%84%E8%B2%A9/
Physical Path   D:\inetpub\webs\redirect\983-48210804-%E3%80%90%E5%8D%B3%E7%B4%8D%E3%80%91%E3%83%95%E3%82%A7%E3%82%A4%E3%82%AF%E3%83%AC%E3%82%B6%E3%83%BC%E3%82%B7%E3%83%A7%E3%83%BC%E3%83%88%E3%83%91%E3%83%B3%E3%83%84%E3%80%90%E4%BA%88%E7%B4%84%E8%B2%A9\
Logon Method   Not yet determined
Logon User   Not yet determined
Request Tracing Directory   D:\LogFiles\FailedReqLogFiles

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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