sudo iptables -t nat -A OUTPUT -p tcp -m owner --uid-owner USERAQUI -m tcp -j REDIRECT --to-ports 9040 sudo iptables -t nat -A OUTPUT -p udp -m owner --uid-owner USERAQUI -m udp --dport 53 -j REDIRECT --to-ports 53 sudo iptables -t filter -A OUTPUT -p tcp -m owner --uid-owner USERAQUI -m tcp --dport 9040 -j ACCEPT sudo iptables -t filter -A OUTPUT -p udp -m owner --uid-owner USERAQUI -m udp --dport 53 -j ACCEPT sudo iptables -t filter -A OUTPUT -m owner --uid-owner USERAQUI -j DROP