Files
pic/api
roof 5a4e292440 fix: allow reply traffic from connected cells through FORWARD chain
apply_cell_rules drops all traffic from a cell's subnet except specific
service ports. This also drops ICMP replies and TCP ACKs for connections
initiated by local peers to the connected cell, breaking cross-cell
routing (ping to 10.0.0.1 silently dropped by test's cell DROP rule).

Fix: ensure_forward_stateful() inserts a stateful ESTABLISHED,RELATED
ACCEPT at the top of FORWARD. Called from apply_cell_rules (every cell
add/update) and from _apply_startup_enforcement. Idempotent.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-05-04 15:13:59 -04:00
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