# Feed security

Every poll is re-checked against the subscriber's live Confluence permission on the calendar. A genuine loss of access (deactivated user, revoked grant, deleted calendar) permanently revokes the link and the feed answers "no longer available"; a temporary failure answers a retry status and does not revoke. Uninstalling the app revokes every feed token in the site and deletes the cached feed bodies.

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## Related

[Calendar viewsAnother part of how this works.](https://help.gocapable.com/calendar/calendar-views.html)

[Where events come fromAnother part of how this works.](https://help.gocapable.com/calendar/where-events-come-from.html)

[How it worksThe rest.](https://help.gocapable.com/calendar/how-it-works.html)

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_How it actually behaves._