uftp(1) on Linux
The text 9ae957dd1bb4, as Debian 9 (Stretch) shipped it.
Encrypted UDP based ftp with multicast - server
Flags it lists
-
-E -
-T -
-Z -
-c -
-e -
-f -
-l -
-o -
-q -
-r -
-y -
-z