rat(1) on Linux
The text 23cbae012f51, as Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny), Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it. The page shows this text now.
unicast and multicast audio conferencing tool
Flags it lists
-
-allowloopback -
-version