Chapter Summary

NAP is a new platform for Windows Vista, Windows Server 2008, and Windows XP SP3 that includes client and server components to limit the network access or communication of computers until they are compliant with system health requirements. Administrators can configure IPsec enforcement, 802.1X enforcement, VPN enforcement, DHCP enforcement, or all of them, depending on their needs.

IPsec enforcement works by not issuing health certificates to noncompliant NAP clients so that they cannot initiate protected communications with compliant NAP clients. 802.1X enforcement is done by specifying an ACL or VLAN ID that is applied to the 802.1X connection by the Ethernet switch or wireless AP to limit the access to the restricted network. ...

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