gnunet-vpn(1) on Linux
The text 4009e049029a, as Debian 11 (Bullseye) shipped it.
manually setup a GNUnet VPN tunnel
Flags it lists
-
--help -
--ipv4 -
--ipv6 -
--tcp -
--udp -
--verbose -
--version -
-4 -
-6 -
-V -
-h -
-t -
-u -
-v