dnscrypt-proxy-android/post-fs-data.sh

#!/system/bin/sh
# Do NOT assume where your module will be located.
# ALWAYS use $MODDIR if you need to know where this script
# and module is placed.
# This will make sure your module will still work
# if Magisk change its mount point in the future
MODDIR=${0%/*}

# This script will be executed in post-fs-data mode

iptables -t nat -A OUTPUT -p tcp ! -d 91.239.100.100 --dport 53 -j DNAT --to-destination 127.0.0.1:5354
iptables -t nat -A OUTPUT -p udp ! -d 91.239.100.100 --dport 53 -j DNAT --to-destination 127.0.0.1:5354
ip6tables -A OUTPUT -p tcp -j DROP
ip6tables -A OUTPUT -p udp -j DROP