Introduction to web security RADIUS protocol application

With the improvement of safety awareness of operation and maintenance engineers , Now many enterprises will use AAA Certification of .

We don't spend time deploying Radius Authentication server . understand Radius Protocol application .

AAA Certificate authority

AAA The security services provided specifically refer to ：

1、 authentication （Authentication）： Is to verify the user's identity , Judge whether it is a legal user .

2、 to grant authorization （Authorization）： For authenticated users , Authorize what services they can use .

3、 charging （Accounting）： It is to record the resources of users using network services , This information will be used as the basis for billing .

A large number of applications in the data center AAA authentication .

Radius authentication

authentication （Authentication）、 to grant authorization （Authorization） And billing （Accounting）, It is a security management mechanism for access control in network security , among Radius Authentication is one of the most widely used AAA agreement .

Radius It's a kind of C/S Structured protocol , May adopt PAP、CHAP perhaps Unix Login authentication and other methods .

Message analysis

Mainstream devices support standard Radius agreement aaa authentication .

Fortress machine 4A authentication

It's actually 4 In a A The first English word , Namely Authentication（ authentication ）、Account（ account number ）、Authorization（ to grant authorization ）、Audit（ Audit ）, For convenience, they are collectively referred to as 4A.