Below is the authentication protocol on the left with its unique characteristic on the right.
Sends a user's credentials over UDP:
Remote Authentication Dial-In Service (RADIUS)
Sends a user's credentials over TCP:
Terminal Access Controller Access-Control System (TACACS+)
Is an important part of Windows Active Directory:
Kerberos
Provides a trusted Key Distribution Center (KDC):
Kerberos
Only encrypts the password:
Remote Authentication Dial-In Service (RADIUS)
What is Authentication protocol?
An authentication protocol allows the receiving party (such as a server) to confirm another party's identity (such as a person using a mobile device to log in). To verify users, almost every computer system employs some form of network authentication.
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