Script iptables 80to8080.sh

#!/bin/sh
#
# Network firewall config

PATH=/sbin:/bin:/usr/sbin:/usr/bin;

RET_CODE=0

case "$1" in
    start)
        iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-port 8080;
        ;;
    stop)
        iptables -t nat -D PREROUTING -p tcp -i eth0 --dport 80 -j REDIRECT --to-port 8080;
        ;;
    status)
        iptables -t nat -L -n -v;
        ;;
    restart|reload|force-reload)
        echo "Error: argument '$1' not supported" >&2;
        RET_CODE=1;
        ;;
    *)
        echo "Usage: $0 {start|stop|status}";
        RET_CODE=1;
        ;;
esac;

exit "${RET_CODE}";

# End