proxy.sh

cat << 'EOF' >> redsocks.conf
base {
        log_debug = off;
        log_info = on;
        log = "syslog:daemon";
        daemon = on
        user = redsocks;
        group = redsocks;
        redirector = iptables;
}
redsocks {
        local_ip = 127.0.0.1;
        local_port = 12345;
        ip = 127.0.0.1;
        port = 3128;
        type = http-connect;
}
EOF

echo "Config redsocks..."
sudo mv /etc/redsocks.conf /etc/redsocks.conf.BACK
sudo cp redsocks.conf /etc/

echo "config iptables"

sudo iptables -t nat -N REDSOCKS
# Ignore LANs and some other reserved addresses.
sudo iptables -t nat -A REDSOCKS -d 0.0.0.0/8 -j RETURN
sudo iptables -t nat -A REDSOCKS -d 10.0.0.0/8 -j RETURN
sudo iptables -t nat -A REDSOCKS -d 127.0.0.0/8 -j RETURN
sudo iptables -t nat -A REDSOCKS -d 169.254.0.0/16 -j RETURN
sudo iptables -t nat -A REDSOCKS -d 172.16.0.0/12 -j RETURN
sudo iptables -t nat -A REDSOCKS -d 192.168.0.0/16 -j RETURN
sudo iptables -t nat -A REDSOCKS -d 224.0.0.0/4 -j RETURN
sudo iptables -t nat -A REDSOCKS -d 240.0.0.0/4 -j RETURN
# Anything else should be redirected to port 12345
sudo iptables -t nat -A REDSOCKS -p tcp -j REDIRECT --to-ports 12345