🧑‍💻 A comprehensive guide to Linux system administration, covering: 📜 Commands 👥 User Management 🌐 Networking 🔐 Permissions 📦 Package Management 💽 Disk Management 🛡️ Security 🤖 Automation ✅

This script automates the scanning process using the OpenSCAP Security Guid to hardening Ubuntu systems, aligning with DISA-STIG compliance for Ubuntu 24.04. LTS minimum. It includes a range of security enhancements and configurations designed to strengthen the security posture of Ubuntu servers.

An nftables configuration file with layer 7 filtering and DDoS protection for a Minecraft server. Includes rules for blocking fake sessions, query floods, and bot attacks, as well as filtering for IP addresses and port numbers.

Linux server hardening

Strengthen the security of your Ubuntu system with this powerful hardening tool based on CIS benchmarks.

Configured Fail2Ban to block malicious login attempts and secure Linux servers, with automated setup scripts.

This project automates system resource monitoring, security audits, and server hardening using Bash scripts, enhancing security and performance.

This script installs and configures Fail2Ban with automatic detection of available services (SSH, Apache, Nginx), and enables appropriate jails by hosteons.com

A security implementation guide for web servers in low-resource environments. 竹盾安全集：低资源网站服务器环境安全实施指南