When Ubuntu came on the scene in 2004, it made desktop Linux viable to many with its ease of use and friendly layout. Instead of constantly improving this and becoming the “King of All Distributions” it took a very different path. While I still use Ubuntu server with some caveats, I will NOT use Ubuntu Desktop.
This will show you how to set up a VPN Kill Switch so all traffic will come from that server. For this server, I am using CentOS, but you can easily use Ubuntu server if you are more familiar with that.
In this article, I show you all the steps needed to secure a web server and improve your security. I recommend doing all of these things on every installation. Also, just because you secure your server doesn’t mean you can neglect it. I highly recommend monitoring it and adjusting security as needed. Monitoring is required for proper security in my opinion.