---
title: TACACS+ Access Manager
slug: kronpam-reference-guide-3-5-0/tacacs-access-manager
description: Learn how to effectively control access to legacy network devices by utilizing TACACS+ and RADIUS protocols. This comprehensive document provides step-by-step instructions on configuring Kron PAM and the network devices to seamlessly integrate the RADIUS/
docTags: 
createdAt: 2022-08-01T10:19:17.000Z
---

TACACS+ (Terminal Access Controller Access-Control System) and RADIUS (Remote Access Dial-In User Service) are used to control access to legacy network devices via SSH/TELNET sessions. 

Kron PAM has built-in and pre-integrated TACACS+ and RADIUS servers that provide AAA (Authentication, Authorization, and Accounting) services for the network infrastructure.

This section describes how to configure Kron PAM and the devices to use the RADIUS/TACACS+ AAA service through Kron PAM.