SSH Tunnel with Autossh and Docker

SSH Tunnel Gateway with Autossh and Docker

What is this tool for?

• Allow you to tunnel remote targets through multiple ssh servers
• Clients can connect to your ssh tunnel gateway on your local network
• Easy configuration (YAML)
• Easy and secure installation (Docker)

Big overview

YAML sample

main:
 listen: 0.0.0.0
tunnels:
 - remote: username@remote_ip
   ports:
     # ssh
     - local: 2000 # This has to match docker-compose file
       remote_target: localhost
       remote_port: 22

Installation

Basic diagram

1. Download on GitHub
2. Install Ubuntu (or other Linux)
3. Install docker
4. sudo apt install docker.io
5. Add your user to docker group (do not forget to relogin) - sudo usermod -a -G docker your_username
6. Install docker compose
7. sudo apt install curl
8. sudo curl -L "https://github.com/docker/compose/releases/download/1.22.0/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
9. sudo chmod +x /usr/local/bin/docker-compose
10. Generate ssh-keys
11. cd settings
12. ssh-keygen -f ./id_rsa
13. Edit settings/sshtunnel.yml
14. Edit docker-compose.yml
15. Run docker-compose build
16. Try docker-compose up (after CTRL-C)
17. Run docker-compose up -d (it should start after restart)