Digital Ocean has lately been simplifying the infrastructure experience. With that approach in mind, Cloud Firewalls is an effective and simple way to secure Droplets.

The service is free and created with scalability in mind.

Cloud Firewalls is a central location where access rules are defined and applied to Droplets, enforcing them on the network layer.

Non-whitelisted traffic will not reach the droplets, applying the principle of least privilege.

More Information at:

https://blog.digitalocean.com/cloud-firewalls-secure-droplets-by-default/?utm_medium=email&utm_source=local&utm_campaign=CloudFirewallsAnnounce