| 摘要 |
Systems and apparatuses for authentication and/or access authorization in a communications network. A source node (10, 12, 14, 16, 18) initiates a request for network services, such as session establishment, database access, or application access. Known network resources, authorized user, and/or source information are stored in a database at a network portal (50) along with access policy rules that can be device and/or user dependent. A source node (10, 12, 14, 16, 18) can construct a packet header including a user identifier indicating the user originating the request, and/or a source identifier indicating the hardware from which the request is originated. At least one of these identifiers are included with a synchronization packet for transmission to a destination node. An appliance or firewall (70) in the communications network receives, authenticates, and determines whether resource access is authorized before releasing the packet to its intended destination.
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