Patent ID: 8161523
Filing Date: 2012-04-17
Classification: H04W

Abstract:
1. A network access control (NAC) method for roaming services applicable to a local network comprising at least a local authentication server, a local security policy server, and a local access device, the method comprising: authenticating a roaming terminal by the local authentication server, the local authentication server instructing the local access device to apply a roaming quarantine access policy to the roaming terminal after the roaming terminal is authenticated; applying, by the local access device, the roaming quarantine access policy according to the instruction; executing a security check on the roaming terminal carried out by the local security policy server, the local security policy server instructing the local access device to apply a roaming secure access policy to the roaming terminal after the roaming terminals passes the security check; and applying, by the local access device, the roaming secure access policy according to the instruction; wherein authenticating the roaming terminal further comprises: