httpd(8) on OpenBSD
The text b4cfbddd2a99, as OpenBSD 4.7, OpenBSD 4.6, OpenBSD 4.5 shipped it.
Apache Hypertext Transfer Protocol Server
Flags it lists
-
-4 -
-6 -
-C -
-D -
-F -
-L -
-R -
-S -
-T -
-U -
-V -
-X -
-c -
-d -
-f -
-h -
-l -
-t -
-u -
-v