0)
sysctl -w net.ipv4.ip_forward=1
sysctl -w net.ipv6.conf.all.forwarding=1
sysctl -w net.ipv4.conf.all.send_redirects=0
1)
iptables -t nat -A OUTPUT -p tcp -m owner ! --uid-owner mitmproxyuser -d dst_ip -j REDIRECT --to-port 8080
2) useradd --create-home mitmproxyuser
3) xhost +
4) sudo -u mitmproxyuser -H bash -c "export DISPLAY=:0.0;java -jar /usr/bin/burpsuite"
or
4) sudo -u mitmproxyuser -H bash -c "export DISPLAY=:0.0;mitmproxy"