Posted on 2013-09-06 21:58
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From
http://www.o4v.net/blog/index.php/debian-iptables-script/
由于Debian安装iptables后默认不是服务提示service iptables提示unrecognized service，需要添加脚本到/etc/init.d/，脚本如下（下载iptables）：
#!/bin/sh -e
### BEGIN INIT INFO
# Provides: iptables
# Required-Start:
# Required-Stop:
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: start and stop iptables firewall
# Description: Start, stop and save iptables firewall
### END INIT INFO
PATH=¡±/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin¡±
IPTABLES=/sbin/iptables
IPTABLES_SAVE=/sbin/iptables-save
IPTABLES_RESTORE=/sbin/iptables-restore
IPTABLES_CONFIG=/etc/iptables.conf
[ -x $IPTABLES ] || exit 0
. /lib/lsb/init-functions
case "$1" in
start)
log_action_begin_msg "Starting firewall"
type usplash_write >/dev/null 2>/dev/null && usplash_write "TIMEOUT 120" || true
if $IPTABLES_RESTORE < $IPTABLES_CONFIG ; then
log_action_end_msg $?
else
log_action_end_msg $?
fi
type usplash_write >/dev/null 2>/dev/null && usplash_write "TIMEOUT 15" || true
;;
stop)
log_action_begin_msg "Saving current firewall configuration"
if $IPTABLES_SAVE > $IPTABLES_CONFIG ; then
log_action_end_msg $?
else
log_action_end_msg $?
fi
log_action_begin_msg "Flushing ALL firewall rules from chains!"
if $IPTABLES -F ; then
log_action_end_msg $?
else
log_action_end_msg $?
fi
log_action_begin_msg "Deleting ALL firewall chains [Warning: ACCEPTING ALL PORT SERVICES!]"
if $IPTABLES -X ; then
$IPTABLES -P INPUT ACCEPT
$IPTABLES -P FORWARD ACCEPT
$IPTABLES -P OUTPUT ACCEPT
log_action_end_msg $?
else
log_action_end_msg $?
fi
;;
save)
log_action_begin_msg "Saving current firewall configuration"
if $IPTABLES_SAVE > $IPTABLES_CONFIG ; then
log_action_end_msg $?
else
log_action_end_msg $?
fi
;;
force-reload|restart)
log_action_begin_msg "Reloading firewall configuration [Warning: POTENTIAL NETWORK INSECURITY DURING RELOAD]"
$IPTABLES -F
$IPTABLES -X
if $IPTABLES_RESTORE < $IPTABLES_CONFIG ; then
log_action_end_msg $?
else
log_action_end_msg $?
fi
;;
*)
echo "Usage: /etc/init.d/iptables {start|stop|save|restart|force-reload}"
exit 1
;;
esac
exit 0
说明：保存为/etc/init.d/iptables，然后chmod +x /etc/init.d/iptables 添加运行权限。