Ultimate Guide to Server Hardening for Kamal

Server hardening is securing a server by reducing its surface of vulnerability. This means minimizing the number of potential entry points for attackers by disabling unnecessary services, applying patches, and enforcing strong security controls. If you use Kamal to deploy applications but you must harden your servers yourself. This is a guide on the steps to take to have a secure server. The Basics of Server Security: Patch often and restart often. Patching helps with fixing known vulnerabilities. Restarting gets rid of possible resident malware from memory. But before we get there, there is a lot we can do to improve our server's security posture. Here, I am splitting security into two parts: Day 1 and Day 2. Day 1 Security is what is needed to create a secure server. Day 2 Security is the set of practices to keep it secure as your environment, requirements and threats change.