Automatic Configuration Backup (AutoConfigBackup, or ACB for short) is available as a core component of pfSense® software. The service is free for all users of pfSense software, both Plus and CE.

This feature is located at Services > Auto Config Backup.

Functionality and Benefits

When a change is made to the configuration on a firewall, AutoConfigBackup automatically encrypts the contents with the passphrase entered in the AutoConfigBackup settings and then uploads the backup over HTTPS to Netgate servers. This gives instant, secure offsite backups of a firewall with no user intervention.

https://docs.netgate.com/pfsense/en/latest/backup/autoconfigbackup.html