johannes f30e6aaa28 docs(guide): confirm firewall (OpenStack SGs) + SSH key-only posture (devops#17)
SGs are the firewall of record — public surface 80/443, SSH/Loki restricted to
internal+admin. All VMs key-only (passwordauthentication no) -> brute-force
mitigated, fail2ban optional. Dead SSH-ingress SG (22->world, unattached) to remove.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-02 12:08:22 -04:00
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Guide content service — API and admin SPA
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