iked(8) on OpenBSD
The text 211d8ec5306b, as OpenBSD 6.8, OpenBSD 6.7 shipped it.
Internet Key Exchange version 2 (IKEv2) daemon
Flags it lists
-
-D -
-S -
-T -
-d -
-f -
-n -
-p -
-t -
-v