PFSense - Network - Automatic Hostnames

Navigate to Services → DNS Resolver → General Settings.

In General DNS Resolver Options:

NOTE: This will cause the Resolver to reload and flush its resolution cache whenever a DHCP lease is issued.

  • This could put a high load on the DNS server, which should be fine for small setups.

NOTE: This is to ensure that statically mapped DHCP clients are registered.

  • This will not break pfBlockerNG - Unbound Python Mode.