Install NxFilter on pfSense https://tutorial.nxfilter.org/doc/en/a-installing-on-pfsense.php
Rob Asher wrote a script installing NxFilter on pfSense. Using script Rob Asher wrote a script installing NxFilter and its dependencies on pfSense. You can easily install NxFilter on your pfSense or Netgate box. There is a Github page for his install script: - Rob Ashers Github page for NxFilter install script on pfSense