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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 ...
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.
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.
Once the 60-minute window expires, all network traffic is blocked. The user has the option of re-authenticating with Clean Access again, and continuing the process as needed. Systems passing the checks are granted access to the network as defined by the assigned role on the Clean Access Manager. Clean Access configurations vary from site to site.
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.
The NAC support, which Juniper calls Unified Access Control (UAC), enables the switches to enforce access policies rather than rely on firewalls, VPN gateways, or switches made by other vendors. [2] Juniper Networks EX-series Ethernet switches are compliant with Internet protocol (IP) telephony solutions from Avaya. [6]
The HP IMC Smart Connect includes integrated mobile network–access control to manage enterprise access to mobile devices. [27] To help administrators oversee the use of mobile devices on enterprise networks, HP has integrated into IMC support for the Citrix XenMobile and MobileIron mobile device management applications. [28]
Juniper Networks, Inc. is an American multinational corporation headquartered in Sunnyvale, California.The company develops and markets networking products, including routers, switches, network management software, network security products, and software-defined networking technology.