socket_mcloop4(3) on Linux
The text 57be06737662, as Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy), Debian 3.0 (Woody) shipped it.
set multicast loopback
The text 57be06737662, as Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy), Debian 3.0 (Woody) shipped it.
set multicast loopback