批量关闭防火墙安全机制

#!/bin/bash
#by wwp 2020-10-14
for ip in `cat ip.list`
do
        {
        ping -c1 -W1 $ip &>/dev/null
        if [ $? -eq 0 ];then
                ssh $ip "sed -ri ‘/^#UseDNS/cUseDNS no‘ /etc/ssh/sshd_config"
                ssh $ip "sed -ri ‘/^GSSAPIAuthentication/cGSSAPIAuthentication no‘ /etc/ssh/sshd_config"
                ssh $ip "systemctl stop firewalld ; systemctl disable firewalld"
                ssh $ip "sed -ri ‘7s/enforcing/disabled/‘ /etc/selinux/config"
                ssh $ip "setenforce 0"
        fi
        }&
done
wait
echo "all ok"