sockd.fc(5) on Linux
The text a94871ac237f, as Debian 10 (Buster), Debian 9 (Stretch), Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny), Debian 4.0 (Etch), Debian 3.1 (Sarge), Debian 3.0 (Woody), Debian 2.2 (Potato), Debian 2.1 (Slink), Debian 2.0 (Hamm) shipped it. The page shows this text now.
Frozen configuration file for SOCKS server