arno-fwfilter(1) on Linux
The text f297a39daf36, as Debian 10 (Buster) shipped it.
a filter script to make iptables firewall logs more readable for humans
Flags it lists
-
--help -
--no-colors -
--no-locations -
--no-resolve -
--single-line -
-c -
-h -
-l -
-r -
-s