centos开放指定端口
开启指定端口：
1 | firewall-cmd --zone=public --add-port=端口号/tcp --permanent |
开启指定端口后必须重启防火墙，重启命令
1 | systemctl restart firewalld.service |
查看防火墙状态
1 | systemctl status firewalld.service |
开启防火墙
1 | systemctl start firewalld.service |
禁止开机启动
1 | systemctl disable firewalld.service |
开启开机启动
1 | systemctl enable firewalld.service |
查看已开放端口
1 | firewall-cmd --list-ports |