Remote Authentication Dial-In User Service (RADIUS)
A standard for authenticating the identity of remote dial-in users.
A unique name given to each protected area on a server, whether it be a single document or an entire server.
The privileges a user or role has on a system.
A working description of a user. Roles are assigned rights.
A self signed certificate issued from a genuine Certificate Authority (CA)
RSA Encryption (Rivest-Sharmir-Adelman)
A popular encryption and authentication standard that uses asymmetric keys and was developed by Rivest, Sharmir, and Adelman. Based on a public key system, every user has 2 digital keys, one to encrypt information, and the other to decrypt. Authentication of both sender and recipient is achieved with this method.