How To Set Up an OpenVPN Server on Ubuntu 14.04

How To Set Up an OpenVPN Server on Ubuntu 14.04

How To Set Up an OpenVPN Server on Ubuntu 14.04

If you're looking to set up a secure VPN server on Ubuntu 14.04, OpenVPN is a great option. This tutorial will walk you through the process of installing and configuring OpenVPN on your Ubuntu 14.04 server.

Step 1: Install OpenVPN

The first step is to install OpenVPN on your Ubuntu 14.04 server. You can do this by running the following command:

sudo apt-get install openvpn

Step 2: Generate Server Certificates and Keys

Next, you'll need to generate the server certificates and keys. OpenVPN comes with a script that simplifies this process:

cd /usr/share/doc/openvpn/examples/easy-rsa/2.0/ source vars ./clean-all ./build-ca ./build-key-server server ./build-dh

Step 3: Configure OpenVPN

After generating the server certificates and keys, you'll need to configure OpenVPN. Create a new configuration file with the following command:

sudo nano /etc/openvpn/server.conf

Copy and paste the following configuration into the file:

port 1194 proto udp dev tun ca /etc/openvpn/keys/ca.crt cert /etc/openvpn/keys/server.crt key /etc/openvpn/keys/server.key dh /etc/openvpn/keys/dh2048.pem server 10.8.0.0 255.255.255.0 ifconfig-pool-persist ipp.txt push "redirect-gateway def1 bypass-dhcp" push "dhcp-option DNS 8.8.8.8" push "dhcp-option DNS 8.8.4.4" keepalive 10 120 cipher AES-256-CBC comp-lzo user nobody group nogroup persist-key persist-tun status openvpn-status.log verb 3

Save and exit the file.

Step 4: Enable IP Forwarding

Before you start the OpenVPN service, you'll need to enable IP forwarding on your Ubuntu 14.04 server. To do this, open the /etc/sysctl.conf file with the following command:

sudo nano /etc/sysctl.conf

Uncomment the following line:

net.ipv4.ip_forward=1

Save and exit the file.

Next, run the following command to apply the changes:

sudo sysctl -p

Step 5: Start OpenVPN

Finally, start the OpenVPN service with the following command:

sudo service openvpn start

You can check the status of the service with the following command:

sudo service openvpn status

Your OpenVPN server is now up and running!

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