---
title: RADIUS auth methods
sidebar_custom_props:
    termName: RADIUS auth methods
    tags:
        - Protocols
    shortDescription: PAP, CHAP, MS‑CHAPv2, and EAP methods.
    longDescription: RADIUS transports credential exchanges such as PAP (plaintext password), CHAP/MS‑CHAPv2 (challenge‑response), or EAP methods (e.g., PEAP, EAP‑TLS) terminated on the NAS or server.
---