Two Firewalls Are Better Than One
Defense in depth applied to network access: OCI Security Lists and firewalld.
Final-year engineering student at IMT Atlantique. Interested in Linux systems, kernel internals, and OS-level work. Writing up what I learn as I go.
Hardening SSH
Within minutes of going live, bots were already knocking. Here’s how I locked them out.
Choosing the Platform: Oracle Cloud and Oracle Linux
Why I picked Oracle Cloud’s free tier and Oracle Linux for a production-style VPS.