Other feeds and settings:
Enable forums feed: Enabled (all others Disabled, exept the global Enable Feeds)
Exclude these forums: none selected

1-Not logged on: "Guests - No Access" forum contents NOT shown (as expected), Passworded forums contents IS shown (not expected).
2-Logged on: "Guests - No Access" forum contents IS shown (as expected), Passworded forum contents IS shown (not expected).