这是在某个油管大佬的脚本里面找到并截取出来的
vim放进shell文件里面执行

有次几个容器间bridge网络不能相互访问，找半天也不知道原因，最后执行这个脚本就好了。。

echo -e "${green}关闭防火墙，开放所有端口规则……${plain}"
sleep 1
systemctl stop firewalld.service >/dev/null 2>&1
systemctl disable firewalld.service >/dev/null 2>&1
setenforce 0 >/dev/null 2>&1
ufw disable >/dev/null 2>&1
iptables -P INPUT ACCEPT >/dev/null 2>&1
iptables -P FORWARD ACCEPT >/dev/null 2>&1
iptables -P OUTPUT ACCEPT >/dev/null 2>&1
iptables -t nat -F >/dev/null 2>&1
iptables -t mangle -F >/dev/null 2>&1
iptables -F >/dev/null 2>&1
iptables -X >/dev/null 2>&1
netfilter-persistent save >/dev/null 2>&1
if [[ -n $(apachectl -v 2>/dev/null) ]]; then
systemctl stop httpd.service >/dev/null 2>&1
systemctl disable httpd.service >/dev/null 2>&1
service apache2 stop >/dev/null 2>&1
systemctl disable apache2 >/dev/null 2>&1
fi
lsof -i :80|grep -v "PID"|awk '{print "kill -9",$2}'|sh >/dev/null 2>&1
echo -e "${green}已完成${plain}"