Glossary

802.1X Authentication

802.1X checks your credentials before letting you on the network - like swiping a badge before the door unlocks.

What is 802.1X Authentication?

IEEE standard for port-based network access control that authenticates devices before granting network access.

Why Should You Care?

802.1X prevents unauthorized devices from connecting. Combined with NAC, it provides strong network access control.

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Real-World Example

Wireless clients authenticate using certificates via 802.1X before receiving an IP address and network access.

How to Protect Against 802.1X Authentication

  1. 1.

    Implement 802.1X for wireless networks

  2. 2.

    Extend 802.1X to wired network ports

Related Terms

Nac, Radius, Authentication

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