不同版本的关闭方法略有不同1 CentOS 6.*防火墙关闭方法1 )查询防火墙状态: serviceiptablesstatus
2 )关闭防火墙: serviceiptablesstop
3 )启动防火墙:服务iptablesstart
4 )重启防火墙: serviceiptablesrestart
5 )防火墙永久关闭: chkconfigiptablesoff
6 )永久关闭后启用防火墙: chkconfigiptableson
2 CentOS 7.*如何关闭防火墙1 )查看防火墙状态: systemctlstatusfirewalld.service
2 )关闭防火墙: systemctl stop firewalld.service
3 )打开防火墙(systemctlstartfirewalld
4 )重新启动防火墙: systemctlreloadfirewalld
5 )防火墙永久关闭: systemctldisablefirewalld.service
6 )永久关闭后启用防火墙: systemctlenablefirewalld.service