fwlw_notify(8) on Linux
The text ab5a31878145, as Debian 10 (Buster), Debian 9 (Stretch) shipped it.
a firewall log analyzer and realtime response agent
Flags it lists
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-D -
-E -
-L -
-M -
-N -
-O -
-P -
-U -
-V -
-b -
-c -
-d -
-h -
-i -
-m -
-n -
-p -
-s -
-v -
-y