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In computer security, general access control includes identification, authorization, authentication, access approval, and audit.A more narrow definition of access control would cover only access approval, whereby the system makes a decision to grant or reject an access request from an already authenticated subject, based on what the subject is authorized to access.
The combination of Pegasus/Mercury is similar to the mail aspects of Microsoft Outlook/Microsoft Exchange Server. Mercury was originally developed to handle mail, both internal and external, on Netware servers in either bindery or NDS mode; Mercury ran on the system server, and integrated with Pegasus mail running on MS-DOS or Windows workstations.
TACACS. Terminal Access Controller Access-Control System ( TACACS, / ˈtækæks /) refers to a family of related protocols handling remote authentication and related services for network access control through a centralized server. The original TACACS protocol, which dates back to 1984, was used for communicating with an authentication server ...
Microsoft Outlook is a personal information manager software system from Microsoft, available as a part of the Microsoft 365 software suites. Though primarily being popular as an email client for businesses, Outlook also includes functions such as calendaring, task managing, contact managing, note-taking, journal logging, web browsing, and RSS news aggregation.
Data Control & Systems. Data Control & Systems was a company formed by Rob Nursten in Zimbabwe (1994) and became commercially operational in 1995. The company was originally a subsidiary of UUNet Internet Africa, which he started in South Africa with the demand for internet services.
GroupWise is a messaging and collaboration platform from OpenText that supports email, calendaring, personal information management, instant messaging, and document management. The GroupWise platform consists of desktop client software, which is available for Windows, (formerly Mac OS X, and Linux ), and the server software, which is supported ...
Network access control is a computer networking solution that uses a set of protocols to define and implement a policy that describes how to secure access to network nodes by devices when they initially attempt to access the network. [3] NAC might integrate the automatic remediation process (fixing non-compliant nodes before allowing access ...
Access control matrix. In computer science, an access control matrix or access matrix is an abstract, formal security model of protection state in computer systems, that characterizes the rights of each subject with respect to every object in the system. It was first introduced by Butler W. Lampson in 1971. [1]