Best VPNs for BackBox Linux: An IT Specialist’s Take

BackBox Linux is a Debian/Ubuntu-based distribution tailored for penetration testers, security analysts and network engineers. It ships with the XFCE desktop environment, delivers a lightweight footprint and relies on APT (apt-get or apt) for package management. With its arsenal of preinstalled security tools, BackBox users often need a VPN solution that integrates cleanly, offers CLI-friendly packages or repositories, supports strong encryption protocols (OpenVPN, WireGuard), and provides features like a kill switch and DNS-leak protection without intrusive GUIs.

Below are the VPNs that stand out for BackBox Linux’s audience:

Why These VPNs Suit BackBox Linux

• NordVPN – Provides an APT repository, official CLI client, robust kill-switch and DNS-leak protection.
• ProtonVPN – Official Debian/Ubuntu package, strong focus on privacy, easy CLI commands.
• Mullvad – Offers a .deb repository, straightforward CLI, WireGuard support out of the box.
• ExpressVPN – Debian package, reliable networking, but fewer Linux-specific tutorials.
• Private Internet Access – NetworkManager plugin, OpenVPN/WireGuard, community-driven guides.

Comparison Table

How to Install and Configure the Top VPNs on BackBox Linux

1. NordVPN

NordVPN offers an official APT repository and CLI client that integrates seamlessly with BackBox’s package manager and XFCE Network Manager.

Installation:

# Import the GPG key
wget -qO - https://repo.nordvpn.com/gpg/nordvpn_public.gpg  sudo apt-key add -

# Add the NordVPN repository
sudo sh -c echo deb https://repo.nordvpn.com/deb/nordvpn/debian stable main > /etc/apt/sources.list.d/nordvpn.list

# Update and install
sudo apt-get update
sudo apt-get install nordvpn

Configuration and Usage:

# Log in (opens default browser for OAuth)
nordvpn login

# Enable kill switch and DNS leak protection
nordvpn set killswitch on
nordvpn set dns 103.86.96.100 103.86.99.100

# Connect to a server (e.g., United Kingdom)
nordvpn connect United_Kingdom

# Check status
nordvpn status

2. ProtonVPN

ProtonVPN provides a Debian package and a user-friendly CLI called protonvpn-cli (NG version) that fits well in BackBox’s environment.

Installation:

# Install dependencies
sudo apt-get update
sudo apt-get install -y openvpn dialog python3-pip python3-setuptools

# Install ProtonVPN CLI
sudo pip3 install protonvpn-cli

# Initialize ProtonVPN CLI (runs first-time setup)
protonvpn init

Configuration and Usage:

# Log in to your ProtonVPN account
protonvpn login

# Connect to the fastest server
protonvpn c -f

# To specify a country (e.g., Germany)
protonvpn c -c Germany

# Enable the built-in kill switch
protonvpn ks --enable

# Check connection status
protonvpn status

3. Mullvad

Mullvad’s Debian repository and CLI client shine for users who prefer a simple numeric account system and out-of-the-box WireGuard support.

Installation:

# Download and install the Mullvad repository package
wget https://releases.mullvad.net/debian/mullvad-debian-repo_1.0.0-1_all.deb
sudo dpkg -i mullvad-debian-repo_1.0.0-1_all.deb

# Update and install Mullvad VPN client
sudo apt-get update
sudo apt-get install mullvad-vpn

Configuration and Usage:

# Log in using your account number
mullvad account login YOUR_MULLVAD_ACCOUNT_NUMBER

# Connect with WireGuard by default
mullvad connect

# To select a specific country (e.g., Sweden)
mullvad relay set location se

# Turn on the firewall/kill switch
mullvad firewall on

# Verify status
mullvad status

Each of these VPNs integrates smoothly into the BackBox workflow, whether you’re scripting daily connections or relying on the CLI for on-the-fly server switching. Choose the one that fits your auditing style, encryption needs and administrative comfort.