https://forums.freebsd.org/tags/pf-pflog/
#pf #pflog | The FreeBSD Forums
pffreebsdforums
https://manpages.ubuntu.com/manpages/resolute/man4/pflog.4freebsd.html
Ubuntu Manpage: pflog - packet filter logging interface
packet filter logging interface
packet filterubuntumanpagelogginginterface