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What is the OpenVPN?

OpenVPN is an open-source commercial software that implements virtual private network techniques to create secure point-to-point or site-to-site connections in routed or bridged configurations and remote access facilities. It uses a custom security protocol that utilizes SSL/TLS for key exchange.

OpenVPN installer for Debian, Ubuntu, Fedora, CentOS and Arch Linux.

This script will let you setup your own secure VPN server in just a few seconds.

One-Click Install Now

First, get the script and make it executable:

# curl -O https://raw.githubusercontent.com/angristan/openvpn-install/master/openvpn-install.sh

And change the permissions of the .sh file:

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# chmod +x openvpn-install.sh

Then run it:

# ./openvpn-install.sh

You need to run the script as root and have the TUN module enabled.

The first time you run it, you’ll have to follow the assistant and answer a few questions to setup your VPN server.

When OpenVPN is installed, you can run the script again, and you will get the choice to:

  • Add a client
  • Remove a client
  • Uninstall OpenVPN

In your home directory, you will have .ovpn files. These are the client configuration files. Download them from your server and connect using your favorite OpenVPN client.

Features

  • Installs and configures a ready-to-use OpenVPN server
  • Iptables rules and forwarding managed in a seamless way
  • If needed, the script can cleanly remove OpenVPN, including configuration and iptables rules
  • Customisable encryption settings, enhanced default settings
  • OpenVPN 2.4 features, mainly encryption improvements
  • Variety of DNS resolvers to be pushed to the clients
  • Choice to use a self-hosted resolver with Unbound
  • Choice between TCP and UDP
  • NATed IPv6 support
  • Compression disabled by default to prevent VORACLE. LZ4 (v1/v2) and LZ0 algorithms available otherwise.
  • Unprivileged mode: run as nobody/nogroup
  • Block DNS leaks on Windows 10
  • Randomised server certificate name
  • Choice to protect clients with a password (private key encryption)
  • Many other little things!

Compatibility

  • Amazon Linux 2
  • Arch Linux
  • CentOS 7
  • CentOS 8
  • Debian 8
  • Debian >= 9
  • Fedora >= 27
  • Ubuntu 16.04
  • Ubuntu >= 18.04

To be noted:

  • It should work on Debian 8+ and Ubuntu 16.04+. But versions not in the table above are not officially supported.
  • The script requires systemd.
  • The script is regularly tested against amd64 only.
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