Secure Management & Access Flashcards
Local Authentication
user credentials are stored locally on the device
the device compares user input to stored data
Remote Authentication
User credentials are stored on a remote server
device ask to authenticate users based on its user interface
Authentication
verifies the user’s identity
Authorization
enforces user permissions
Accounting
tracks user activity
RADIUS
originally developed to authenticate via Layer 2
UDP ports: 1812/18:13 or 1645/1646
TACACS+ Features
supported by Cisco & other vendors
AAA is implemented as separate functions
encrypts the entire packets
TCP port 49
802.1X
Security protocol defined by IEEE
known as port-based Network Access Control
Authenticates new users & devices requesting access to the network
Supplicant
Receives credentials from a user & submits them to the authenticator
Authenticator
Relays credentials received from a supplicant to the authentication server