> For the complete documentation index, see [llms.txt](https://docs.reserve.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.reserve.org/core-components/index-dtfs/rebalancing/security-and-permissions.md).

# Security & permissions

## Permissions <a href="#security-and-permissions" id="security-and-permissions"></a>

* **Only** the `ADMIN` can set the auction length.
* **Only** the `ADMIN` can allow/disallow permissionless bidding.
* **Only** the `ADMIN` can configure the Trusted Fillers registry.
* **Only** the `ADMIN` can add a token to the basket directly (not via rebalance).
* **Only** the `REBALANCE_MANAGER` can start a rebalance.
* **Only** the `AUCTION_LAUNCHER` can open auctions during the restricted window.
  * After the window, anyone can open auctions (if in priced mode).
* **Anyone** can bid in open auctions.
* **Any** of the `REBALANCE_MANAGER`, `AUCTION_LAUNCHER`, or `ADMIN` roles can close an auction.
* **Any** of the `REBALANCE_MANAGER`, `AUCTION_LAUNCHER`, or `ADMIN` roles can end a rebalance.


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