IEEE 802.1X-2004
Based Network Access Control
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About This Item
802.1X-2004 is a network access control standard that addresses how devices authenticate before they are allowed onto a communication network. In the context of Communication, Networking and Broadcast Technologies, it is relevant to controlled access at the edge of a system rather than to general data traffic. This specification helps define a consistent approach to access decisions, supporting more reliable enforcement of network policy and reducing the risk of unauthorized connections.
What is 802.1X-2004?
802.1X-2004 describes a port-based network access control mechanism used to verify a user or device before permitting network services. It is part of the IEEE 802.1 family and is commonly associated with authentication workflows at switch ports or similar access points. As a technical document, 802.1X-2004 is useful for understanding the requirements and behavior of access control exchange between an endpoint, the network access device, and the authentication system.
Where is 802.1X-2004 used?
This standard is typically used in managed network environments where access must be checked before a connection is accepted. That may include enterprise switches, wireless access infrastructure, and other port-controlled networking equipment in communication systems. 802.1X-2004 is relevant where administrators need a defined method for controlling who or what can connect, especially in environments that rely on centralized authentication and consistent access policy enforcement.
Why is 802.1X-2004 important?
802.1X-2004 matters because it gives organizations a repeatable basis for controlling network admission and reducing unauthorized access. For procurement, design, and compliance work, the standard provides a clear reference for expected behavior and interoperability. It also supports more consistent testing of access-control functions, which can help limit configuration drift and improve operational confidence when deploying networked equipment across multiple sites or teams.
- Port-based access control
- Authentication before network entry
- IEEE 802.1 technical context
- Managed communication systems
- Superseded standard reference
- Publication Date: 2004
- Standard Status: Superseded
- Publisher: IEEE
- Subject: Communication, Networking and Broadcast Technologies
- Official IEEE: Doi link
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