Network Access Control

Network Access Control 1 'Network Access Control' ('NAC') is an approach to computer network security that attempts to unify End point security|endpoint security technology (such as antivirus, Host-based intrusion detection system|host intrusion prevention, and vulnerability assessment), user or system authentication and network security enforcement.[ rev.html IEEE 802.1: 802.1X: Port Based Network Access Control][ ecurity/showArticle.jhtml?articleID= Tutorial: Network Access Control] Mike Fratto, Network Computing, July 17,

Network Access Control - Background 1 Network Access Control (NAC) is a computer Computer network|networking solution that uses a set of Protocol (computing)|protocols to define and implement a policy that describes how to secure access to network Node (networking)|nodes by devices when they initially attempt to access the network

Network Access Control - Background 1 Network Access Control aims to do exactly what the name implies—control access to a Computer networking|network with policies, including pre-admission endpoint security policy checks and post-admission controls over where users and devices can go on a network and what they can do.

Network Access Control - Mobile NAC 1 In addition, automated remediation that takes only seconds on a wired connection may take minutes over a slower wireless data connection, bogging down the device.[ papers/NAC_WP_2010Q1.pdf Mobile Network Access control: Extending Corporate Security Policies to Mobile Devices], A mobile NAC solution gives system administrators greater control over whether, when and how to remediate the security concern.[ Network Access Control Module], A lower-grade concern such as out-of-date Antivirus software|antivirus signatures may result in a simple warning to the user, while more serious issues may result in quarantining the device.[ Network-Access-Control-Extending-0001 Field Technologies Online], Policies may be set so that automated remediation, such as pushing out and applying security Patch (computing)|patches and updates, is withheld until the device is connected over a Wi-Fi or faster connection, or after working hours

Wake-on-LAN - Interactions with network access control 1 The use of Wake-on-LAN technology on enterprise networks can sometimes conflict with network access control solutions such as 802.1x or MAC-based authentication, which may prevent magic packet delivery if a machine's WoL hardware has not been designed to maintain a live authentication session while in a sleep state., Cisco Catalyst 6500 Release 12.2SX Software Configuration Guide Configuration of these two features in tandem often requires tuning of timing parameters and thorough testing.

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