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Glossary · Protocol

TACACS+

Terminal Access Controller Access Control System

In plain language

A central server that decides who may log into network equipment and records what they do.

The metaphor

Like a key cabinet clerk who checks who you are, hands out only the keys you may use, and notes it down.

Going deeper

How it works

Administrators log in with their own accounts.
The server says which commands each may run.
Every action can be logged.
It is common in larger networks with many devices.

How WILDCARD handles it

Network covers the managed firewall and switches that sit behind your provider's modem.

In practice

An engineer logs into a switch with a personal account.
A company limits who can change firewall settings.
An audit asks who made a change.

A question owners ask

Do I need one?

Usually not for a small office. Larger networks use it.

Where WILDCARD handles this

Network

Firewall managed and monitored
Switches kept current
On-prem Active Directory auth

Start with Network

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