HELP: Combining Adblock+DNS-over-HTTPS with DNS Based Firewall

Installing and Using OpenWrt
14

Try this way:

uci -q delete network.wan.dns
uci -q delete network.wan.peerdns
uci -q delete network.wan6.dns
uci -q delete network.wan6.peerdns
uci commit network
/etc/init.d/network restart