How to Hide Your Server’s OS Signature from Prying Eyes
(a.k.a: “Stop Flexing Your Kernel Version to Strangers”) So you’ve hardened SSH, installed UFW, disabled root login, and feel like your server is Fort...
Basic Linux Server Hardening on Ubuntu 20.04: Lock It Before You Lose It
Let’s be honest — you’ve just finished setting up your shiny new server, everything runs smoothly, and you think, “Nice, time to chill.” ☕...
How to Install Dovecot IMAP Server and Enable TLS Encryption on Ubuntu 20.04
This is Part 2 of the tutorial on how to build a mail server on Ubuntu 20.04. In Part One, we installed Postfix as...