radius协议rfc2865 Remote Authentication Dial In User Service (RADIUS) This document describes a protocol for carrying authentication, authorization, and configuration information between a Network Access Server which desires to authenticate its links
RADIUS ( Remote Authentication Dial In User Service )是远程认证拨号用户服务的简称,是一种C/S结构的协议。RADIUS原先设计的目的是为拨号用户进行认证和计费。后来经过多次改进,形成了一项通用的认证计费协议,与AAA配合主要完成在网络接入设备和认证服务器之间承载认证、授权、计费和配置信息