【求助】我用脚本启动代理，出现下面的提示。那位指定一二？！

江湖无赖

Starting firewall /lib/modules/2.4.18-14smp/kernel/net/ipv4/netfilter/ipchains.o
: init_module: Device or resource busy
Hint: insmod errors can be caused by incorrect module parameters, including inva
lid IO or IRQ parameters.
      You may find more information in syslog or the output from dmesg
/lib/modules/2.4.18-14smp/kernel/net/ipv4/netfilter/ipchains.o: insmod /lib/modu
les/2.4.18-14smp/kernel/net/ipv4/netfilter/ipchains.o failed
/lib/modules/2.4.18-14smp/kernel/net/ipv4/netfilter/ipchains.o: insmod ipchains
failed
/lib/modules/2.4.18-14smp/kernel/net/ipv4/netfilter/ipfwadm.o: init_module: Devi
ce or resource busy
Hint: insmod errors can be caused by incorrect module parameters, including inva
lid IO or IRQ parameters.
      You may find more information in syslog or the output from dmesg
/lib/modules/2.4.18-14smp/kernel/net/ipv4/netfilter/ipfwadm.o: insmod /lib/modul
es/2.4.18-14smp/kernel/net/ipv4/netfilter/ipfwadm.o failed
/lib/modules/2.4.18-14smp/kernel/net/ipv4/netfilter/ipfwadm.o: insmod ipfwadm fa
iled
Bad argument `ACCEPT'
Try `iptables -h' or 'iptables --help' for more information.
Bad argument `ACCEPT'
Try `iptables -h' or 'iptables --help' for more information.
Input and output Sucess
./firewall: line 47: echo_success: command not found

江湖无赖

脚本firewall如下：

#! /bin/sh

IPTABLES=/sbin/iptables
EXTERNAL="eth0"
INTERNAL="eth1"
IP=10.36.6.0.0/255.255.0.0


$IPTABLES -P INPUT ACCEPT
$IPTABLES -P FORWARD ACCEPT
$IPTABLES -P OUTPUT ACCEPT

$IPTABLES -t nat -P PREROUTING ACCEPT
$IPTABLES -t nat -P POSTROUTING ACCEPT
$IPTABLES -t nat -P OUTPUT ACCEPT

$IPTABLES -F
$IPTABLES -t nat -F


$IPTABLES -X
$IPTABLES -t nat -X

start() {
       echo -n $"Starting firewall "
       # Enable IPV4 Packet Forwarding
       echo 1 >; /proc/sys/net/ipv4/ip_forward
       for i in /lib/modules/`uname -r`/kernel/net/ipv4/netfilter/*
       do
               t=`echo $i |sed 's/\.o$//g'`
               module=`basename $t`
               modprobe $module
       done
      #
      #允许ICMP数据包(ping)
      $IPTABLES -A INPUT -p icmp -j ACCEPT

      #允许内部网之间的数据通讯

      $IPTABLES -A INPUT -i $INTERNAL -s $PRINET -j ACCEPT
      $IPTABLES -A OUTPUT -o $INTERNAL -d $PRINET -j ACCEPT
      echo "Input and output Sucess"


      $IPTABLES -t nat -A POSTROUTING -o $EXTERNAL -j MASQUERADE
      echo_success
}


stop(){
       echo -n $"Stopping Firewall"

       flush

       for i in /lib/modules/`uname -r`/kernel/net/ipv4/netfilter/*
       do
               t=`echo $i |sed 's/\.o$//g'`
              module=`basename $t`
               modprobe -r $module
       done

       # Disale IPV4 Packet Forwarding
       echo "0" >; /proc/sys/net/ipv4/ip_forward
       echo_success
}

restart()
{
       stop
       start
}

# See how we were called.
case "$1" in
       start)
               start
               ;;
       stop)
               stop
               ;;
       restart)
               restart
               ;;
       *)
               echo $"Usage: $0 {start|stop|restart}"
               exit 1
esac

江湖无赖

有错误也可以成功，作为透明代理：）