# Engine Editor > VPN > Sites

Use this branch to select the protected IP addresses that are behind the gateway.

Option | Definition
--- | ---
Add and update IP addresses based on routing | When selected, the site content updates automatically according to changes made in the routing configuration for the Security Engine (for interfaces that are not disabled). Note: When the option is not selected, you must manually define the addresses that you want to be routable through the VPN.
Search | Opens a search field for the selected list.
Up | Navigates up one level in the navigation hierarchy. Not available at the top level of the navigation hierarchy.
More actions | New — Creates an element of the specified type. Show Deleted Elements — Shows elements that have been moved to the Trash.
Left pane | Shows elements that you can add to the site definition.
Add | Adds the selected element to the site content.
Remove | Removes the selected element from the site content.
Search | Opens a search field for the selected element list.
Up | Navigates up one level in the navigation hierarchy. Not available at the top level of the navigation hierarchy.
New | Creates an element of the specified type.
More actions | Expand All — Expands all levels of the status tree. Collapse All — Collapses all levels of the status tree. Refresh View — Updates the view.
Right pane | Allows you to change the IP addresses that are included in the site definition.