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  2. IP access controller - Wikipedia

    en.wikipedia.org/wiki/IP_access_controller

    IP Access Control. An IP access controller is an electronic security device designed to identify users and control entry to or exit from protected areas using Internet Protocol-based technology. A typical IP access controller supports 2 or 4 basic access control readers. IP access controllers may have an internal web server that is configurable ...

  3. Internet access - Wikipedia

    en.wikipedia.org/wiki/Internet_access

    t. e. Internet access is a facility or service that provides connectivity for a computer, a computer network, or other network device to the Internet, and for individuals or organizations to access or use applications such as email and the World Wide Web. Internet access is offered for sale by an international hierarchy of Internet service ...

  4. TACACS - Wikipedia

    en.wikipedia.org/wiki/TACACS

    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 ...

  5. Network Access Control - Wikipedia

    en.wikipedia.org/wiki/Network_Access_Control

    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 ...

  6. Medium access control - Wikipedia

    en.wikipedia.org/wiki/Medium_access_control

    v. t. e. In IEEE 802 LAN/MAN standards, the medium access control ( MAC ), also called media access control, is the layer that controls the hardware responsible for interaction with the wired (electrical or optical) or wireless transmission medium. The MAC sublayer and the logical link control (LLC) sublayer together make up the data link layer.

  7. History of the Internet - Wikipedia

    en.wikipedia.org/wiki/History_of_the_Internet

    The term "internet" was reflected in the first RFC published on the TCP protocol (RFC 675: [ 116] Internet Transmission Control Program, December 1974) as a short form of internetworking, when the two terms were used interchangeably. In general, an internet was a collection of networks linked by a common protocol.

  8. Internet censorship in China - Wikipedia

    en.wikipedia.org/wiki/Internet_censorship_in_China

    Internet censorship and surveillance has been tightly implemented in China that block social websites like Gmail, Google, YouTube, Facebook, Instagram, Twitter, and others. The excessive censorship practices of the Great Firewall of China have now engulfed the VPN service providers as well. [clarification needed]

  9. Access control - Wikipedia

    en.wikipedia.org/wiki/Access_control

    Access control. A sailor checks an identification card (ID) before allowing a vehicle to enter a military installation. In physical security and information security, access control ( AC) is the selective restriction of access to a place or other resource, while access management describes the process. The act of accessing may mean consuming ...

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