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.olymposdeepgreen.com:80/%EC%9D%B4-%EB%95%8C%EB%AC%B8%EC%97%90-%EB%9D%BC%EB%B0%94%EB%A6%AC%EB%8B%88-%EB%A7%88%EB%8B%90%EB%9D%BC-cod-%EC%B9%B4%EC%A7%80%EB%85%B8%ED%86%A1-%EA%B0%90%EB%8F%85%EC%9D%B4-%ED%95%9C%EA%B5%AD-%EC%82%AC/
Physical Path   C:\inetpub\wwwroot\%EC%9D%B4-%EB%95%8C%EB%AC%B8%EC%97%90-%EB%9D%BC%EB%B0%94%EB%A6%AC%EB%8B%88-%EB%A7%88%EB%8B%90%EB%9D%BC-cod-%EC%B9%B4%EC%A7%80%EB%85%B8%ED%86%A1-%EA%B0%90%EB%8F%85%EC%9D%B4-%ED%95%9C%EA%B5%AD-%EC%82%AC\
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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