Remember TACACS+
Full name: Terminal Access Controller Access-Control System Plus
Memory aid: Terminal Access is Centrally Controlled.
TACACS+ and RADIUS have different protocol and authorization behavior.
Study area: Protocols & logical ports · Batch 5
Relevant study for: CompTIA A+ Core 1 220-1201 · CompTIA Network+ N10-009 · CompTIA Security+ SY0-701 · Cisco CCNA 200-301 · ISC2 CISSP 2024 outline
Practice with exam flashcards →Networking & Connectivity / Knowledge library
TACACS+ — Terminal Access Controller Access-Control System Plus
Provides centralized AAA often used for network-device administration.
Why learn TACACS+ — Terminal Access Controller Access-Control System Plus?
Provides centralized AAA often used for network-device administration.
Where it came from
TACACS+ and RADIUS have different protocol and authorization behavior.
- Memory aid (a learning cue, not the expansion): Terminal Access is Centrally Controlled.
Build your understanding
Work through these exercises in order. Try the task before opening a reference.
- Without looking, expand TACACS+: Terminal Access Controller Access-Control System Plus.
- Recall this memory aid: Terminal Access is Centrally Controlled.
- Explain the practical use: Provides centralized AAA often used for network-device administration.
- Explain this distinction: TACACS+ and RADIUS have different protocol and authorization behavior.
- Identify TACACS+ in a device specification, architecture diagram, or system inventory.
Documentation and sources
- IETF RFC 8907 (www.rfc-editor.org)