docs: fix architecture-overview.md drift (WAN rule count, LAN enforcement mechanism)

Live-verification found two real inaccuracies: WAN now passes 4 things
inbound (NetBird's STUN forward was added, undocumented), and the "third
fix" LAN-to-LAN narrative credited pfSense's ruleset when the actual
enforcement for host-to-host traffic is each host's own firewalld (pfSense
never sees same-subnet traffic on this flat LAN). Refreshed the WAN rules
screenshot and reworded the boundary table + narrative to match. Also
cleaned up the "Other Six Traffic Laws" table formatting per feedback.
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automation-bot committed 2026-09-18 11:48:37 +03:00
1 parent 6fb00e1444
commit 6b3bea7f6f
2 files changed
+14 -14

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