Maximilian Grimm bed41cfaf3 Episode 10: hardening - firewall rules Docker cannot bypass, Caddy access log and rate limiting, fail2ban in the right chain ... - hardening/: ufw after.rules block for DOCKER-USER (ctorigdstport, not dport), fail2ban jail.local with sshd (systemd backend) and caddy-probes (chain DOCKER-USER), filter for the JSON access log, sshd hardening.conf, README with the order and the two traps measured in the episode - caddy/Dockerfile: xcaddy build with caddy-ratelimit, compose builds the image - Caddyfile: common snippet (JSON access log, Server header stripped), vault /admin 404, rate_limit zones on the vault token endpoint and the git login form - HARDENING.md: firewall and fail2ban sections rewritten around what the port scan saw Claude-Session: https://claude.ai/code/session_017iP581CYtPfxdZYPPAyWZA		2026-09-11 10:20:56 +02:00
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caddy-probes.conf	Episode 10: hardening - firewall rules Docker cannot bypass, Caddy access log and rate limiting, fail2ban in the right chain	2026-09-11 10:20:56 +02:00