sockstat(1) on FreeBSD
The text 1ffc0a525a5c, as FreeBSD 6.3-RELEASE, FreeBSD 6.2-RELEASE, FreeBSD 6.1-RELEASE, FreeBSD 6.0-RELEASE shipped it.
list open sockets
Flags it lists
-
-4 -
-6 -
-c -
-l -
-p -
-u