The Do’s and Don’ts of Cybersecurity for Internet-Exposed Servers
Introduction to the Do’s and Don’ts of Cybersecurity With the increasing reliance on internet-connected infrastructure, securing servers exposed to the internet is a
Articles
Articles
Critical HARDN Security Scripts Vulnerabilities: A Deep Dive
Introduction HARDN is a collection of security hardening scripts designed to enhance system security by enforcing MAC address randomization, TOR routing, directory lockdowns,
Cybersecurity
Security Machine Tutorial for HARDN-Hardened Debian
This tutorial builds upon the HARDN project’s baseline hardening, then layers in encryption, network obfuscation, kernel and runtime hardening, advanced authentication, secure boot,
Clusters
HAProxy Cluster Setup
Overview of the HAProxy Cluster Setup This article walks through a two-node HAProxy cluster setup with high availability using Keepalived. It covers configuring
Cybersecurity
Firewalld Configuration on Debian
Overview of Firewalld configuration on Debian Firewalld serves as a front-end to the Linux kernel’s netfilter framework, providing a dynamic interface for managing
Cybersecurity
iptables setup guide
This iptables setup guide shows you how to uninstall nftables, install iptables on Debian 11, and configure basic security rules. It also explains
Cybersecurity
SELinux Configuration Guide
Overview on SELinux Configuration Guide SELinux, or Security-Enhanced Linux, is a security architecture integrated into the Linux kernel. It provides a flexible Mandatory
Cybersecurity
UFW Firewall Configuration
Overview of UFW Firewall Configuration UFW (Uncomplicated Firewall) is a front-end for managing iptables firewall rules on Linux. It simplifies the process of
Cybersecurity
SSH Secure Configuration
Overview on SSH secure configuration OpenSSH is the implementation of the SSH protocol. SSH Secure Configuration is recommended for remote login, making backups,
Cybersecurity
AppArmor on Debian 12
Overview of AppArmor on Debian 12 AppArmor on Debian 12 provides mandatory access control to enhance system security by confining applications. It protects