When Artica builds the reverse-proxy parameters and if these parameters are accepted, then they are saved for restoration.
Artica keeps the last 50 backups, automatically deleting old ones.This feature is available with Artica v4.50 Service Pack 1 or Artica v4.50 Hotfix 20240120-15
It's important to know that this operation will desynchronize the configuration between that displayed by the Web interface and that applied in production.
If you create a site rule after the backup set, you'll end up with a site rule that's unknown to the reverse-proxy but present in the site rules table.