---
title: Vendor‑Specific Attribute (VSA)
sidebar_custom_props:
    termName: Vendor‑Specific Attribute (VSA)
    tags:
        - Protocols
    shortDescription: Attribute namespace for vendor extensions.
    longDescription: Allows vendors to convey proprietary settings (e.g., privilege levels, ACLs) beyond standard RADIUS attributes in Access‑Accept responses.
---