🌐 Networking

RADIUS

Remote Authentication Dial-In User Service, the protocol network devices use to ask a central server whether a user or device should be granted access and with what attributes. Each device shares a secret with the server, so a compromised server exposes the secrets of every device that trusts it.

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Why a Compromised Network Access Control Server Outranks a Compromised Firewall

A firewall decides what crosses one boundary. A NAC server decides who may exist on the network and what every switch enforces. Root on it is ownership. How to plan for that day.

intermediate 6 min read

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