iked(8) on OpenBSD
The text 0f6d28c4282a, as OpenBSD 5.5, OpenBSD 5.4 shipped it.
Internet Key Exchange version 2 (IKEv2) daemon
Flags it lists
-
-6 -
-D -
-S -
-T -
-d -
-f -
-n -
-t -
-v