pfctl(8) on OpenBSD
The text 8b7b42469ce8, as OpenBSD 7.6, OpenBSD 7.5, OpenBSD 7.4, OpenBSD 7.3 shipped it.
control the packet filter (PF) device
Flags it lists
-
-D -
-F -
-K -
-L -
-N -
-P -
-S -
-T -
-V -
-a -
-d -
-e -
-f -
-g -
-h -
-i -
-k -
-n -
-o -
-p -
-q -
-r -
-s -
-v -
-x -
-z