# `allowlist` `dsh allowlist` commands are used to manage which packages are allowed to be downloaded from software repositories in Tier 3 SREs. For an explanation of the tiering system, see [Security Objectives](https://data-safe-haven.readthedocs.io/en/latest/design/security/objectives.html). :::{typer} data_safe_haven.commands.allowlist:allowlist_command_group :width: 65 :prog: dsh allowlist :show-nested: :make-sections: :::