Authui.dll is described as Authentication User interface. This process file is originated from Microsoft Corporation and belongs to Microsoft Windows Operating System. The dynamic link library has a digital signature from Microsoft Windows - Microsoft Time-Stamp Service. This library is invisible with no window to present itself and is stored in a way of being compressed.
Authui.dll offers functions to enable secure, distributed authentication across two firewalls. This file is based on the security features of Windows clients and servers. Unlike Basic or Digest authentication, primarily, Authui.dll does not require for a user name and password for authentication. The current Windows user information on the client machine is from the IE through a coded interaction. If the user fails to be recognized in the first place, the internet explorer will remind the user of entering a Windows user account user name and password.
Authui.dll itself is not directly associated with a standard or an authentication protocol. If the Kerberos provider is workable and a Kerberos ticket can be got for the target, and any related configurations enable Kerberos authentication to occur, the Kerberos Five protocol will be tried. Otherwise authui.dll authentication is applied. Likewise, if authui.dll authentication fails, then 3rd party utilities will be extended to the Windows Authentication norms.
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