Introduction to AAA Server
RADIUS Overview
Chapter 1 7
defined way of extending RADIUS. Conflicts can occur when the RFC is not followed. In those
cases, the server can map the attributes to unique internal values for processing. For a full
description of RADIUS attribute-value pairs, see the Administrator’s Guide.
Shared Secret
Encrypting the transmission of the User-Password in a request is accomplished by a shared
secret. The shared secret is used to sign RADIUS data packets to ensure they are coming from
a trusted source. The shared secret is also used to encrypt user passwords with certain
authentication methods such as PAP. The HP-UX AAA Server uses the clients configuration
file to associate a secret to each client (or server) that is authorized to make use of its services.