Raymond Ops

Aug 12, 2026 · Information Security

Common Security Configuration Issues Ops Face During GB/T 22239-2019 (Level‑2/3) Compliance

This guide walks operations engineers through the background, requirements, typical audit findings, step‑by‑step remediation commands, and verification methods for the most frequent security configuration problems encountered when implementing GB/T 22239‑2019 Level‑2/3 compliance on CentOS 7/8 and Ubuntu 20.04, covering identity authentication, access control, auditing, intrusion prevention, resource limits, and data confidentiality.