Graham McIntire 4d73e77f3a Add 404-based brute force protection system ... Implements automated detection and blocking of IPs exhibiting scanning behavior (5+ unique 404s within 1 minute). Key features: - Progressive ban escalation (5 min → 1 hour → permanent) - CIDR range and exact IP whitelisting - Redis-backed 404 path tracking with 60s TTL - Cloudflare WAF integration for permanent bans - Admin UI for whitelist and blocked IP management - Oban cron jobs for cleanup (expired bans, stale violations) - ETS caching for whitelist performance Components: - Plug: ToweropsWeb.Plugs.BruteForceProtection - Context: Towerops.Security.BruteForce - Schemas: IpBlock, IpWhitelist - Workers: CloudflareBanWorker, ExpiredBanCleanupWorker, StaleViolationCleanupWorker - Admin UI: /admin/security (superuser only) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>		2026-02-10 16:31:48 -06:00
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brute_force_test.exs	Add 404-based brute force protection system	2026-02-10 16:31:48 -06:00