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Showing posts from January, 2015

Setting up an OpenVPN server inside an AWS VPC

My goal in this post is to show how to set up an OpenVPN server within an AWS VPC so that clients can connect to EC2 instances via a VPN connection. It's fairly well documented how to configure a site-to-site VPN with an AWS VPC gateway, but articles talking about client-based VPN connections into a VPC are harder to find.

== OpenVPN server setup ==

Let's start with setting up the OpenVPN server. I launched a new Ubuntu 14.04 instance in our VPC and I downloaded the latest openvpn source code via:

wget http://swupdate.openvpn.org/community/releases/openvpn-2.3.6.tar.gz

In order for the 'configure' step to succeed, I also had to install the following Ubuntu packages:

apt-get install build-essential openssl libssl-dev lzop liblzo2-dev libpam-dev

I then ran the usual commands inside the openvpn-2.3.6 directory:

./configure; make; sudo make install

At this point I proceeded to set up my own Certificate Authority (CA), per the OpenVPN HOWTO guide.  As it turned out, I needed th…