skyjia/ssh-tunnel repository overview

⁠SSH Tunnel

⁠Docker SSH Tunnel

Create an SSH Tunnel

Usage:

docker run -d --rm \
    [-p <outter port>:<inner port> \]
    -v <path/to/id_file>:/key.pem:ro \
    -e "SSH_HOST=<remote host>" \
    [-e "SSH_USER=<login user>" \]
    [-e "SSH_PORT=<ssh port>" \]
    skyjia/ssh-tunnel -<L|R|D> [host1:]<port1>:<host2>:<port2>[ other options]

The default SSH_USER is root and the default SSH_PORT is 22.

⁠SSH Tunnel Example

Here is the command to create this kind of tunnel:

ssh -L 8080:web-server:80 -L 8443:web-server:443 bastion-host -N

We create one local tunnel whose ingress is on localhost:8080 and whose egress is at web-server:80. We create a second local tunnel whose ingress is at localhost:8443 and whose egress is at web-server:443. Both tunnels pass through bastion-host.

We can make HTTP and HTTPS requests to localhost ports 8080 and 8443 which will be forwarded to web-server ports 80 and 443 respectively:

curl https://localhost:8443/secure.txt