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An air gapped network (right) with no connection to a nearby internet-connected network (left) An air gap, air wall, air gapping [1] or disconnected network is a network security measure employed on one or more computers to ensure that a secure computer network is physically isolated from unsecured networks, such as the public Internet or an unsecured local area network. [2]
Sometimes the old "turn it off and on again" actually works. In this case, try completely signing out of your account then sign back in. Many times, this will help, especially in cases of bad passwords or some simple browser issues.
Logging out of a computer, when leaving it, is a common security practice preventing unauthorized users from tampering with it. Some people choose to have a password-protected screensaver set to activate after some period of inactivity, thereby requiring the user to re-enter their login credentials to unlock the screensaver and gain access to ...
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Once the policy is met, the computer is able to access network resources and the Internet, within the policies defined by the NAC system. NAC is mainly used for endpoint health checks, but it is often tied to Role-based Access. Access to the network will be given according to the profile of the person and the results of a posture/health check.
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Network Access Protection (NAP) is a Microsoft technology for controlling network access of a computer, based on its health. It was first included in Windows Vista and Windows Server 2008 and backported to Windows XP Service Pack 3 .
For security purposes, log out of your account when you're finished (especially if you're using a shared or public computer). Mouse over your account name in the upper right corner of the page and click Sign Out .