rules.sh

#!/bin/bash
export PATH=$PATH:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin

#Check OS
if [ -n "$(grep 'Aliyun Linux release' /etc/issue)" -o -e /etc/redhat-release ];then
OS=CentOS
[ -n "$(grep ' 7\.' /etc/redhat-release)" ] && CentOS_RHEL_version=7
[ -n "$(grep ' 6\.' /etc/redhat-release)" -o -n "$(grep 'Aliyun Linux release6 15' /etc/issue)" ] && CentOS_RHEL_version=6
[ -n "$(grep ' 5\.' /etc/redhat-release)" -o -n "$(grep 'Aliyun Linux release5' /etc/issue)" ] && CentOS_RHEL_version=5
elif [ -n "$(grep 'Amazon Linux AMI release' /etc/issue)" -o -e /etc/system-release ];then
OS=CentOS
CentOS_RHEL_version=6
elif [ -n "$(grep bian /etc/issue)" -o "$(lsb_release -is 2>/dev/null)" == 'Debian' ];then
OS=Debian
[ ! -e "$(which lsb_release)" ] && { apt-get -y update; apt-get -y install lsb-release; clear; }
Debian_version=$(lsb_release -sr | awk -F. '{print $1}')
elif [ -n "$(grep Deepin /etc/issue)" -o "$(lsb_release -is 2>/dev/null)" == 'Deepin' ];then
OS=Debian
[ ! -e "$(which lsb_release)" ] && { apt-get -y update; apt-get -y install lsb-release; clear; }
Debian_version=$(lsb_release -sr | awk -F. '{print $1}')
elif [ -n "$(grep Ubuntu /etc/issue)" -o "$(lsb_release -is 2>/dev/null)" == 'Ubuntu' -o -n "$(grep 'Linux Mint' /etc/issue)" ];then
OS=Ubuntu
[ ! -e "$(which lsb_release)" ] && { apt-get -y update; apt-get -y install lsb-release; clear; }
Ubuntu_version=$(lsb_release -sr | awk -F. '{print $1}')
[ -n "$(grep 'Linux Mint 18' /etc/issue)" ] && Ubuntu_version=16
elif [ ! -z "$(grep 'Arch Linux' /etc/issue)" ];then
    OS=Ubuntu
else
echo "Does not support this OS, Please contact the author! "
kill -9 $$
fi

iptables_on(){
	if [[ $CentOS_RHEL_version == 7 ]];then
		systemctl restart iptables.service
	else
		
	fi
}

iptables_on