This file contains the access control list for the Proxmox Backup Server API.

Each line starts with acl:, followed by 4 additional values separated by colon.

propagate:

Propagate permissions down the hierarchy

path:

The object path

User/Token:

List of users and tokens

Role:

List of assigned roles

Here is an example list:

acl:1:/:root@pam!test:Admin
acl:1:/datastore/store1:user1@pbs:DatastoreAdmin

You can use the proxmox-backup-manager acl command to manipulate this file.