By default, a WildFire appliance uses predefined certificates
for mutual authentication to establish the SSL connections used
for management access and inter-device communication. However, you
can configure authentication using custom certificates instead.
Custom certificates allow you to establish a unique chain of trust
to ensure mutual authentication between your WildFire appliance
and firewalls or Panorama. You can generate these certificates locally
on Panorama or a the firewall, obtain them from a trusted third-party
certificate authority (CA), or obtain certificates from enterprise
private key infrastructure (PKI).