f5-rahm / tacacs_server

Docker image/container setup for testing tacacs+ with F5 BIG-IP

Tacacs+ Test Server

This repository uses the official Ubuntu 18.04 Docker image for setting up a test TACACS+ server using tac_plus. Tested on Ubuntu 22.04 server running Docker 24.0.5.

Build Steps

To build the Docker image, execute the following command on the cli:

sudo docker build -t tacacs .

Run Steps

To run the Docker image, execute the following command on the cli:

sudo docker run --name tacplus \
                -td \
                -p 49:49 \
                -v /<full path>/tac_plus.conf:/etc/tacacs+/tac_plus.conf \
                tacacs

Example tacacs config file for F5 BIG-IP is included.

Use Case - F5 BIG-IP remote auth

For testing remote auth for tacacs (not for production!). Example BIG-IP auth config is included.

Resources/Source Material

• Tac_plus man page
• Create free TACACS+ Server on Ubuntu Machine Step by Step
• tacplus_image
• TACACS+ Remote Role Configuration for BIG-IP
• Demystifying iControl REST Part 6: Token-Based Authentication