There are a few different ways to set up a VPN on your router, so we’ll go over a couple of the most popular methods here. First, let’s take a look at how to do it with OpenVPN.
OpenVPN is an open source software application that implement virtual private network techniques for creating secure point-to-point or site-to-site connections in routed or bridged configurations and remote access facilities. It uses a custom security protocol[2] that utilizes SSL/TLS for key exchange. It is capable of traversing network address translators (NATs) and firewalls. OpenVPN was written by James Yonan and is published under the GNU General Public License (GPL).[3][4]
Installing OpenVPN on Your Router
The first thing you’ll need to do is install OpenVPN on your router. If your router doesn’t have built-in support for OpenVPN, you’ll need to flash it with custom firmware like DD-WRT or TomatoUSB. Once you’ve got OpenVPN up and running on your router, the next step is to generate some encryption keys.
You can use a tool like EasyRSA or pfKeygen to generate RSA keys for use with OpenVPN. Once you’ve got your keys generated, the next step is to set up your VPN server configuration file. This file will tell OpenVPN what kind of encryption to use, as well as which keys to use for authenticating clients who connect to the VPN.
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