1. A method for securely publishing an access control list, the method comprises: generating, by a dispersed storage (DS) managing unit of a dispersed storage network (DSN), an authentic and time-stamped access control list from the access control list, wherein the access control list provides a list of authorized accesses to the DSN, wherein the generating the authentic and time-stamped access control list comprises: generating time-stamp value; combining the time-stamp value with the access control list to produce a time-stamped access control list; generating a signature based on the time-stamped access control list and a private key of the DS managing unit; and combining the signature with the time-stamped access control list to produce the authentic and time-stamped access control list; identifying, by the DS managing unit, a plurality of dispersed storage (DS) units of the DSN to receive the access control list; sending, by the DS managing unit using a one-way communication path, the authentic and time-stamped access control list and the identity of the plurality of DS units to a publisher unit: and sending, by the publisher unit, the authentic and time-stamped access control list to the plurality of DS units using a plurality of one-way communication paths.