/etc/ is in fontconfig-config 2.11.0-6.7.
This file is owned by root:root, with mode 0o755.
..
/etc/fonts/
/etc/fonts/conf.d/
/etc/fonts/conf.d/README
/etc/fonts/fonts.conf
/etc/fonts/conf.d/10-scale-bitmap-fonts.conf
/etc/fonts/conf.d/11-lcdfilter-default.conf
/etc/fonts/conf.d/20-unhint-small-vera.conf
/etc/fonts/conf.d/30-metric-aliases.conf
/etc/fonts/conf.d/30-urw-aliases.conf
/etc/fonts/conf.d/40-nonlatin.conf
/etc/fonts/conf.d/45-latin.conf
/etc/fonts/conf.d/49-sansserif.conf
/etc/fonts/conf.d/50-user.conf
/etc/fonts/conf.d/51-local.conf
/etc/fonts/conf.d/60-latin.conf
/etc/fonts/conf.d/65-fonts-persian.conf
/etc/fonts/conf.d/65-nonlatin.conf
/etc/fonts/conf.d/69-unifont.conf
/etc/fonts/conf.d/80-delicious.conf
/etc/fonts/conf.d/90-synthetic.conf