BFD (Brute Force Detection) works together with APF Firewall for complete protection. The someone is trying to break into your server BFD will automatically block the IP via adding it to the deny list on the APF Firewall.
- To install BFD, SSH into server and login as root.
- Download bfd into /usr/local unpacking creates the bfd folder.
tar -xvzf bfd-current.tar.gz