Liangxu Linux

Apr 28, 2025 · Information Security

How to Harden Linux Servers for Tier‑3 Security Compliance with Open‑Source Scripts

This guide explains the purpose of China's tiered security protection for Linux servers, outlines key requirements such as identity verification, access control, auditing, intrusion prevention, and provides step‑by‑step usage instructions for two open‑source scripts that automate checking and hardening on Red Hat/CentOS systems.