/usr/share/games/freeciv/default.serv is in freeciv-data 2.3.2-1+deb7u1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 | # Server commands to make default Freeciv rules
#
# You don't need this when starting the server but it can be used to restore
# rules after they've been changed.
#
rulesetdir default
# changed game settings are defined in game.ruleset
|