Liangxu Linux

May 2, 2025 · Information Security

Hardening Linux Servers to Level‑3 Security with Open‑Source Check and Protective Scripts

This article introduces open‑source Linux server hardening scripts that meet Level‑3 security protection requirements, outlines the essential security controls such as identity verification, access control, auditing, and intrusion prevention, and provides step‑by‑step usage instructions for both checking and applying the protective scripts.