1 example for pfctl
# Load the pf.conf file
pfctl -f /etc/pf.conf
# Parse the file, but don't load it
pfctl -nf /etc/pf.conf
# Load only the NAT rules from the file
pfctl -Nf /etc/pf.conf
# Load only the filter rules from the file
pfctl -Rf /etc/pf.conf
# Show the current NAT rules
pfctl -sn
# Show the current filter rules
pfctl -sr
# Show the current state table
pfctl -ss
# Show filter stats and counters
pfctl -si
# Show EVERYTHING it can show
pfctl -sa