hardening

Internet-exposed SSH is constantly probed; this guide turns logs into an adaptive shield with a layered plan: hardened sshd_config (keys-only, sane limits), auto-bans via Fail2Ban, behavior-aware, community-powered blocking with CrowdSec, and a tiny Python Isolation Forest detector feeding Fail2Ban, plus fast visibility, copy-paste install commands (apt/dnf/zypper), and safety tips to avoid lockouts.

Learn to secure SSL/TLS configurations on Linux using Mozilla's guidelines. The guide covers choosing a security profile, updating configurations, verification methods, and automation scripts to maintain and enhance security against evolving cyber threats.