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supervisor/tests/addons
Stefan Agner 36124eafae Add firewall rules to protect Docker gateway from external access (#6650)
Add iptables rules via a systemd transient unit to drop traffic
addressed to the bridge gateway IP from non-bridge interfaces.

The firewall manager waits for the transient unit to complete and
verifies success via D-Bus property change signals. On failure, the
system is marked unhealthy and host-network add-ons are prevented
from booting.

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-19 16:46:17 +01:00
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