cyber-security-resources/SCOR/RADIUS_TACACS_DIAMETER.md
2023-12-01 14:46:51 -05:00

1.2 KiB

RADIUS, TACACS+, and Diameter

The following is a comparison table for the RADIUS, TACACS+, and Diameter protocols.

Feature RADIUS TACACS+ Diameter
Transport Protocol UDP TCP TCP or SCTP
Encryption Only password encryption Full packet encryption Full packet encryption
AAA Support Combined AAA (Authentication, Authorization, Accounting) Separate AAA (Authentication, Authorization, and Accounting are distinct) Combined AAA
Usage Network access and IP mobility Device administration Mobile IP, SIP, NASREQ
Interoperability Limited Cisco-focused Wider than RADIUS
Standardization RFC 2865 & RFC 2866 Cisco proprietary RFC 6733