Firewall2 und Maskieren

    meine aktuelle Firewall2-Einstellung: ====>  firewall2.rc.config (ist abzuspeichern in /etc/rc.config.d als root.root mit permissions 644)
    -----------------------------------------------------------------------------------------------------------------------------
    nur Maskieren ohne Firewall wie folgt:
    -----------------------------------------------------------------------------------------------------------------------------
    # ! /bin/sh
    #
    # Author: Bernhard Hügle
    #
    # /etc/init.d/maske
    #
    . /etc/rc.config
    #test "$START_maske" = "yes" || exit 0

    case "$1" in
        start)
            echo -n "Masquerade wird eingerichtet"
            echo
            #
            /usr/sbin/iptables -A POSTROUTING -t nat -j MASQUERADE -o ppp0
     /bin/echo 1 > /proc/sys/net/ipv4/ip_forward
            echo
            ;;
       stop)
            echo -n "Masquerade wird gestoppt"
     /usr/sbin/iptables -A POSTROUTING -t nat -j MASQUERADE -o ppp0
            /bin/echo 0 > /proc/sys/net/ipv4/ip_forward
            echo
            ;;
        *)
            echo "Usage: $0 {start|stop}"
            exit 1
    esac

    exit 0