isakmpd(8) on Linux
The text 1f0d36a6300e, as Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
ISAKMP/Oakley a.k.a. IKE key management daemon
Flags it lists
-
-4 -
-6 -
-D -
-K -
-L -
-P -
-R -
-a -
-c -
-d -
-f -
-i -
-l -
-n -
-p -
-r -
-v