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  2. Network Admission Control - Wikipedia

    en.wikipedia.org/wiki/Network_Admission_Control

    Network Admission Control (NAC) refers to Cisco's version of network access control, which restricts access to the network based on identity or security posture.When a network device (switch, router, wireless access point, DHCP server, etc.) is configured for NAC, it can force user or machine authentication prior to granting access to the network.

  3. Cisco NAC Appliance - Wikipedia

    en.wikipedia.org/wiki/Cisco_NAC_Appliance

    Cisco NAC Appliance, formerly Cisco Clean Access (CCA), was a network admission control (NAC) system developed by Cisco Systems designed to produce a secure and clean computer network environment.

  4. 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 ...

  5. IEEE 802.1X - Wikipedia

    en.wikipedia.org/wiki/IEEE_802.1X

    802.1X-2001 defines two logical port entities for an authenticated port—the "controlled port" and the "uncontrolled port". The controlled port is manipulated by the 802.1X PAE (Port Access Entity) to allow (in the authorized state) or prevent (in the unauthorized state) network traffic ingress and egress to/from the controlled port.

  6. List of Cisco products - Wikipedia

    en.wikipedia.org/wiki/List_of_Cisco_products

    Clean Access Agent, Cisco NAC ... Manager Express using either SIP or Cisco's proprietary Skinny Client Control Protocol. ... Network management, software; Cisco ...

  7. PacketFence - Wikipedia

    en.wikipedia.org/wiki/PacketFence

    Free and open-source software portal; PacketFence is an open-source network access control (NAC) system that provides the following features: registration, detection of abnormal network activities, proactive vulnerability scans, isolation of problematic devices, remediation through a captive portal, 802.1X, wireless integration and User-Agent / DHCP fingerprinting.

  8. Supplicant (computer) - Wikipedia

    en.wikipedia.org/wiki/Supplicant_(computer)

    In practice, a supplicant is a software application installed on an end-user's computer. The user invokes the supplicant and submits credentials to connect the computer to a secure network. If the authentication succeeds, the authenticator typically allows the computer to connect to the network. IEEE 802.1x network-diagram example.

  9. Point-to-Point Protocol - Wikipedia

    en.wikipedia.org/wiki/Point-to-Point_Protocol

    A Link Control Protocol (LCP) to establish, configure, and test the link as well as negotiate settings, options and the use of features. One or more Network Control Protocols (NCP) used to negotiate optional configuration parameters and facilities for the network layer. There is one NCP for each higher-layer protocol supported by PPP.