Intrusion Prevention on Linux – Beyond Firewalls
Why IPS Matters A firewall blocks what you tell it to. An Intrusion Prevention System (IPS) blocks what it learns is malicious. With modern exploits riding on “legitimate” ports like 443, IPS is critical. Practical Options Fail2ban: Lightweight, bans brute force sources based on log patterns. Suricata: Full IDS/IPS with deep packet inspection. Snort: Classic … Read more