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EvoFirewall/docs/architecture.md
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feat(api, web): enhance port ACL logic and documentation
- Refined the `collect_nft_stats` function in `evofw-firewall.sh` to iterate over multiple chains, improving packet counting accuracy for dropped and accepted packets.
- Updated the port ACL handling to include new chains in the firewall rules, ensuring comprehensive coverage for input, forward, and prerouting.
- Enhanced the UI to clarify the behavior of port ACLs, emphasizing the distinction between EvoFW and system rules, and the implications of open ports.
- Improved documentation to reflect the updated port ACL logic and its interaction with Docker NAT, ensuring users understand the new behavior.

These changes enhance the functionality and clarity of port ACL management, improving user experience and system reliability.
2026-08-16 17:00:16 +07:00

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Архитектура EvoFirewall

Централизованный control plane для firewall-агентов (Linux nft/ipset, MikroTik address-list).

Компоненты

Компонент Путь Роль
Web SPA apps/web ReUI Frame, TanStack Router/Query
API apps/api Fastify 5, JWT + agent tokens
DB packages/db Drizzle + SQLite WAL
Shared packages/shared Zod-контракты, RBAC helpers
UI packages/ui shadcn primitives @evofw/ui
Agents apps/api/src/agent-scripts install.sh, sync, MikroTik RSC

Потоки

  1. EnrollPOST /v1/agent/enroll + X-EvoFW-Seed → pending agent
  2. Approve — UI/API → status approved
  3. PolicyGET /v1/agent/policy → deny/allow CIDRs + default_action + optional port_rules + hash (apply_version: 3) + script_sha256 (Linux; не в policy.hash)
  4. Linux self-update — timer: GET /v1/agent/sync-script (ETag / If-None-Match) → при новой версии заменить /usr/local/sbin/evofw-firewall.sh и exec до policy
  5. Apply — agent пишет kernel rules (L3 + L4 port ACL на nft), POST /v1/agent/apply-report + stats + optional host_firewall snapshot
  6. Lists refresh — cron каждые 5 мин (json_url / domains / evobgp_community)

Политика

  • Именованные наборы правил (policy_sets); агенту назначается M:N через agent_policy_sets
  • Правило в наборе: action: deny | allow + ровно один источник — IP-список (list_id), CIDR или DNS-имя (hostname → A/AAAA, кэш в policy_rule_resolved)
  • Evaluate: правила всех назначенных enabled-наборов (sort + priority) + ip_overrides
  • Цепочка ядра всегда: deny → allow → default_action (accept | drop на агенте)
  • На Linux nft: deny → Port ACL (close / open / implicit drop для портов с open) → allow → default_action на hooks prerouting (priority mangle, до Docker DNAT), input и forward. open по списку = публичный порт только с разрешённых src, хост и Docker -p.
  • Exact overlap: allow \ deny (conflicts_dropped); deny wins
  • Overrides, смена наборов, default_action, Port ACL и refresh DNS/lists бампят policy_generation

Auth

  • Portal SSO app id fw, permissions fw:*
  • Agent bearer token (sha256 hash в БД)