centOs关闭防火墙
firewall-cmd --state #查看默认防火墙状态(关闭后显示notrunning,开启后显示running) [root@localhost ~]#firewall-cmd --state not running 检查防火墙的状态: 从centos7开始使用systemctl来管理服务和程序,包括了service和chkconfig。 [root@localhost ~]#systemctl list-unit-files|grep firewalld.service --防火墙处于关闭状态 firewalld.service disabled 或者 [root@localhost ~]#systemctl status firewalld.service firewalld.service - firewalld - dynamic firewall daemon Loaded: loaded (/usr/lib/systemd/system/firewalld.service; disabled; vendor preset: enabled) Active: inactive (dead) 关闭防火墙: systemctl stop firewalld.service #停止firewall systemctl disable firewalld.service