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ssh-tunnels-labs
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ssh-tunnels-labs
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# SSH Tunnels Lab Setup This repository contains hands-on labs for learning **SSH tunneling** in real, practical scenarios. Each lab runs inside its own Vagrant environment so you can reproduce the setups exactly as demonstrated in the guide: - `local-tunnel/` — Local Port Forwarding lab - `remote-tunnel/` — Remote Port Forwarding lab - `proxy-lab/` — Using a Bastion Host (SSH Proxy Tunnel) - (Optional future folder) `dynamic-tunnel/` — Dynamic SOCKS5 forwarding Every lab includes its own **Vagrantfile** so you can spin up the environment independently. ## 1. Prerequisites Before you begin, make sure you have the following installed on your system: - **VirtualBox** https://www.virtualbox.org/wiki/Downloads - **Vagrant** https://developer.hashicorp.com/vagrant/downloads > You don’t need any prior Vagrant knowledge. The instructions below show you the exact commands to use. > ## 2. Directory Structure ``` ssh-tunnels-labs/ │ ├── local-tunnel/ │ ├── Vagrantfile │ └── .vagrant/ │ ├── remote-tunnel/ │ ├── Vagrantfile │ └── .vagrant/ │ ├── proxy-lab/ │ ├── Vagrantfile │ └── .vagrant/ │ └── README.md ``` Each folder is a **separate lab** with its own virtual machines, network settings, and demonstration exercises. ## 3. How to Use the Labs ### Step 1 - Clone the repository ```bash git clone https://github.com/<your-username>/ssh-tunnels-labs.git cd ssh-tunnels-labs ``` ### Step 2 - Choose a lab For example, to work on the Local Port Forwarding lab: ```bash cd local-tunnel ``` ### Step 3 - Spin up the VMs ```bash vagrant up ``` Vagrant will automatically: - Download the required base boxes (if not already cached) - Create the virtual machines - Assign network interfaces - Run provisioning steps You don’t have to configure anything manually. ### Step 4 - SSH into a machine Each VM is accessible via: ```bash vagrant ssh <machine-name> ``` ## 4. Basic Vagrant Commands Here are the main commands you’ll need while working through the labs: | Task | Command | | --- | --- | | Start all machines | `vagrant up` | | Suspend machines | `vagrant suspend` | | Stop machines | `vagrant halt` | | Destroy lab (removes VMs) | `vagrant destroy -f` | | Rebuild the lab from scratch | `vagrant destroy -f && vagrant up` | | SSH into a machine | `vagrant ssh <name>` | | Check VM status | `vagrant status` | ## 5. Resetting a Lab If you break something during experimentation (which is normal), reset the lab easily: ```bash vagrant destroy -f vagrant up ``` This gives you a clean environment every time. ## 6. Notes - Each lab is self-contained. You can run `local-tunnel` without touching `proxy-lab` or `remote-tunnel`. - All networking is internal to VirtualBox - it won’t interfere with your host machine's network. - If you want to modify IP addresses or test variations, feel free to edit the Vagrantfiles.
