Port 22 is for SSH traffic into the server, 943 is the port we’ll use to access the admin GUI, 443 is TLS-encrypted HTTP traffic, and OpenVPN will listen for incoming client connections on port 1194. We’re presented with a security group that opens up everything we’ll need. Now the Security Group page is where the OpenVPN AMI settings really shine. A busy production server might require a bit more power.īecause I’m going to want to start up a second instance in the same subnet in a few minutes, I’ll select, say, “us-east-1b” from the Configure Instance Details page, and make a note for later.
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When it comes to instance type, I’ll downgrade to a t2.micro to keep it within the free tier. OpenVPN Access Server AMI costs - billed directly by AWS
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Those are only regular AWS infrastructure costs, however, and don’t include license fees. Selecting the AMI opens a popup telling us how much this image will cost us per hour using various instance types and EBS storage choices.
OpenVPN Access Server AMIs available from the AWS Marketplace As I wrote earlier, we won’t actually need a license for what we’re going to be doing. I’m going to go with this Ubuntu image that works through a “Bring Your Own License” arrangement. OpenVPN provides a number of official images that are tied to licenses offering escalating numbers of connected clients. Rather than using one of the Quick Start AMIs, I’ll click on the AWS Marketplace tab and search for “openvpn access server”. Ready? Launching an OpenVPN Access Serverįrom the EC2 dashboard - and making sure we’re in the right AWS region - launch an instance to act as our VPN server. Set up a local machine as an OpenVPN client and connect to a private instance in my AWS VPC.Access the server using SSH and configure the VPN.Select, provision, and launch an Ubuntu AMI with OpenVPN Access Server pre-installed into my VPC.Here’s what we’re going to do in this guide: Once you put your VPN into active production, the license you purchase will depend on how many concurrent connections you’ll need. You’ll still be on the hook for the regular costs of an EC2 instance, but if your account is still eligible for the Free Tier, then you can get that for free, too. What does it cost? If you’re only testing things out and don’t plan to access the VPN using more than two connections at a time, then the AMI itself is free. But the OpenVPN company also provides a purpose-built OpenVPN Access Server as an EC2 AMI which comes out of the box with AWS-friendly integration and automated configuration tools.įrom what I can see, launching the AMI within your AWS VPC and opening it up for controlled remote connections has pretty much become the “right” way to get this job done.
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The OpenVPN Access ServerĪs the name suggests, OpenVPN is an open source project, and you’re always able to download the free community edition and set things up on your own VPN server. This article will focus on the do it yourself method. A managed VPN Connection built on top of an AWS Virtual Private Gateway.In our context, that would mean connecting your local office network with the AWS VPC that’s hosting your private resources. Effectively, a tunnel can be designed to combine two geographically separated private sites into one single private network. But that’s not what this article is about.Ī VPN is a point-to-point connection that lets you move data securely between two sites across a public network. Virtual Private Networks (VPNs) are often used to allow otherwise restricted network activity or anonymous browsing. But if Direct Connect’s price tag is a budget-buster for your company, then some kind of VPN tunnel might do the trick. One solution I cover in my “Connecting On-prem Resources to your AWS Infrastructure” course on Pluralsight is Direct Connect. So you’ll need to find a safe and reliable way around the ACLs and security groups protecting your stuff.
But if you can’t get at them when you need, what good are they likely to do you? But what about getting into a back-end RDS database instance or working with AWS-based data that’s not public? There are all kinds of reasons why admins keep such resources out of reach of the general public. This article was adapted from part of my new Pluralsight course, “ Connecting On-prem Resources to your AWS Infrastructure.”ĭo you sometimes need to connect to resources you’ve got running on Amazon Web Services? Accessing your public EC2 instances using SSH and encrypting your S3 data is, for all intents and purposes, secure enough.
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