Below is a structured write-up covering the essential stages of a Linux hardening project. 1. Update and Patch Management
Securing the primary remote entry point is vital for stopping automated brute-force attacks. Linux Server Hardening
Follow the principle of least privilege to limit what users and services can do. Below is a structured write-up covering the essential
Run system updates immediately upon setup (e.g., apt update && apt upgrade for Debian/Ubuntu or dnf update for RHEL/Fedora). Linux Server Hardening
Prevent direct root access by setting PermitRootLogin no in /etc/ssh/sshd_config .
Configure automatic security updates using tools like unattended-upgrades on Debian/Ubuntu or dnf-automatic on RHEL/Fedora. 2. Secure Access (SSH Hardening)