fs e7801ca6ee Spam-Schutz: Rate-Limiting, Link-Heuristik & Spam-Logging ...

Mehrschichtiger Formular-Schutz ohne externe Dienste, ergänzend zu Honeypot
und HMAC-Time-Trap:
- rate_limit_ok(): pro IP+Route (5/10 min), Tages-Cap (100/Tag), Token-Replay
- client_ip() / log_spam() (abgewiesene Versuche -> storage/logs/spam.log)
- Honeypot-Feld website -> company_url umbenannt (contact-/membership-form)
- Ratelimit-Hinweis in form.js
- storage/ratelimit/ (gitignored bis auf .gitkeep)

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01HGzc6GhWhmLJt1jC2q1SRZ

2026-06-20 20:41:50 +02:00

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