●Field Notes — Networking • Cybersecurity • Infrastructure
Real-World Ops & Troubleshooting
Concepts transverses, baselines et incidents réels — orienté production, sans blabla marketing.
4 domaines
Choisis un domaine. Tu trouveras des bonnes pratiques, des checklists, et des cas réels.
Derniers articles
Du terrain, du concret, du reproductible.
Cybersecurity
6 min • Today
Firewall Rulebase Hygiene — The Silent Production Killer
Méthode de nettoyage : objets, shadow rules, naming, review, lifecycle.
Lire →
Infrastructure
7 min • Recent
Virtualization in Production — Common Misconfigurations
Snapshots, storage latency, HA assumptions, backup illusions.
Lire →
Troubleshooting
5 min • Recent
Fixing IPSec Phase 1 Failure — A Practical Checklist
IKE params, proposals, ID mismatch, NAT-T, logs, captures.
Lire →