ipfwpcap(8) on FreeBSD
The text 368f11e6588b, as FreeBSD 13.2-RELEASE, FreeBSD 13.1-RELEASE, FreeBSD 13.0-RELEASE shipped it.
copy diverted packets to a file in tcpdump format
Flags it lists
-
-P -
-b -
-d -
-p -
-r -
-rr