API Security and Recommended Tools
Introduction API security means protecting the integrity of the APIs we use or create. Today, more…
How to Disable Root Login in Ubuntu 20.04
Introduction All Linux-based machines come with a default root user who has all privileges on the system,…
What is skimming fraud and how to protect yourself?
Introduction Skimming is a type of man-in-the-middle attack in which data from a card's magnetic stripe or chip is...
How to keep your Ubuntu server secure
Introduction I remember my first servers. I did almost nothing to keep them secure…
How to secure Nginx with Let's Encrypt on Ubuntu 18.04
Introduction Let's Encrypt is a Certificate Authority (CA) that provides a way to obtain and install free TLS/SSL certificates…
How to secure and monitor Kafka
Introduction Apache Kafka supports various security protocols and authentication workflows to ensure…
SSH to AWS EC2 from PuTTY on Windows
Introduction In this article, I will explain how to create an SSH connection to an AWS EC2 instance from PuTTY on Windows.
How to securely route web traffic without a VPN using a SOCKS tunnel
Introduction At times, you may find yourself on a network that is insecure or has a very…
How to list and delete Iptables firewall rules
Introduction Iptables is a firewall that plays a fundamental role in network security for most Linux systems.
Protecting game servers against DDos
Introduction This tutorial will show you how to protect your game server from DDoS attacks by setting up a…