como eu faço transforma script inicialização serviço de fedora para debian

[regineybao]

#!/bin/bash 
# 
# firewall          Start/Stop firewalling rules. 
# 
# chkconfig: 35 11 92 
# 
# description: inicia/para as regras de firewall. 
# 
# processname: firewall 
# config: /etc/firewall.conf 
# pidfile: /var/run/firewall.pid 
 
# Source function library. 
. /etc/init.d/functions 
 
PATH="$PATH:/usr/local/bin" 
 
RETVAL=0 
 
# See how we were called. 
 
prog="firewall" 
 
funct_stop() { 
 
iptables -t nat -F PREROUTING 
iptables -t nat -F POSTROUTING 
iptables -t nat -F TRANSPROXY 
iptables -F FORWARD 
iptables -F 
iptables -Z 
iptables -X 
iptables -t mangle -F FORWARD 
iptables -t mangle -F PREROUTING 
iptables -t mangle -F POSTROUTING 
##iptables -t mangle -F CONNLIMIT 
echo "0" > /proc/sys/net/ipv4/ip_forward 
 
iptables -P INPUT ACCEPT 
iptables -P OUTPUT ACCEPT 
iptables -P FORWARD DROP 
 
} 
 
start() { 
        echo -n $"Starting $prog: " 
        bash -x /etc/firewall.conf > /root/fwlog 2>&1 
        fwports 
        smtpservers 
        redirs 
        bloqueados 
        RETVAL=$? 
        if [ $RETVAL -eq 0 ]; then 
                echo_success 
        else 
                echo_failure 
        fi 
        echo 
        ulimit -HSn 16384 
} 
 
stop() { 
        echo -n $"Stopping $prog: " 
        funct_stop 
        RETVAL=$? 
        if [ $RETVAL -eq 0 ]; then 
                echo_success 
        else 
                echo_failure 
        fi 
        echo 
} 
 
rhstatus() { 
        iptables -L -n 
} 
 
restart() { 
        stop 
        start 
} 
 
 
case "$1" in 
  start) 
        start 
        ;; 
  stop) 
        stop 
        ;; 
  restart) 
        restart 
        ;; 
  reload) 
        reload 
        ;; 
  status) 
        rhstatus 
        ;; 
  condrestart) 
        [ -f /var/lock/subsys/firewall ] && restart || : 
        ;; 
  *) 
        echo $"Usage: $0 {start|stop|status|restart|condrestart}" 
        exit 1 
        ;; 
esac  

obrigado