centos7防火墙的开启、关闭和端口开放

适合于centos7以上版本：centos 关闭防火墙：bash systemctl stop firewalld.service #中止firewall systemctl disable firewalld.service #禁止firewall开机启动tcp Centos 7 firewall 命令：centos7 查看已经开放的端口： spa ? 1 firewall-cmd --list

>>阅读原文<<