Would it be possible to enforce Safe Search via /etc/pihole/custom.list?

[deHakkelaar]

custom.list is not default part of Pi-hole.
Have a look here bout similar lan.list:

Lan.list is being ignored

The list files that Pi-hole uses are defined in below config file: pi@noads:~ $ cat /etc/dnsmasq.d/01-pihole.conf [..] addn-hosts=/etc/pihole/gravity.list addn-hosts=/etc/pihole/black.list addn-hosts=/etc/pihole/local.list [..] You could create your own new config file like for example: /etc/dnsmasq.d/99-my-settings.conf Containing: addn-hosts=/etc/pihole/lan.list And restart to apply: sudo service pihole-FTL restart