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
http://famu.vn:80/2098/961/2020-12-22-%E5%B9%B4%E6%9C%AB%E5%B9%B4%E5%A7%8B%E4%BC%91%E6%A5%AD%E3%81%AE%E3%81%8A%E7%9F%A5%E3%82%89%E3%81%9B.html
Physical Path
D:\server94\famu\2098\961\2020-12-22-%E5%B9%B4%E6%9C%AB%E5%B9%B4%E5%A7%8B%E4%BC%91%E6%A5%AD%E3%81%AE%E3%81%8A%E7%9F%A5%E3%82%89%E3%81%9B.html
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.
View more information »