## Access Control in release v2.1.0 (2021-03-19) - Access Control added to ARPA2 Common as libarpa2common.so - Policy Rules form a general layer of Rulesets, Rules being simple instructions - Rules make callbacks for ~selector %RIGHTS =xvavalue ^trigger endrule endruleset - Access Control builds layers on top of Policy Rules - Communication Access states whether mary@example.org may talk to john@example.com - Document Access decides whether mary@example.org may access //<volume>/<path>