centos7开放指定的端口_centos配置指定端口

yum install firewalld

sudo firewall-cmd --zone=public --add-port=80/tcp --permanent   # 允许HTTP流量
sudo firewall-cmd --zone=public --add-port=443/tcp --permanent  # 允许HTTPS流量
sudo firewall-cmd --reload  # 重新加载防火墙规则

1. 查看防火墙端口开放列表

firewall-cmd --list-all
2. 指定ip端口

firewall-cmd --permanent --add-rich-rule="rule family="ipv4" source address="192.168.1.100" port protocol="tcp" port="3306" accept"
连续端口 

firewall-cmd --permanent --add-rich-rule="rule family="ipv4" source address="192.168.1.100" port protocol="tcp" port="3306-3309" accept"
ip网段 

firewall-cmd --permanent --add-rich-rule="rule family="ipv4" source address="192.168.1.0/24" port protocol="tcp" port="3306" accept"
3.重新载入，使配置生效

firewall-cmd --reload
4.删除规则

firewall-cmd --permanent --remove-rich-rule="rule family="ipv4" source address="192.168.1.100" port protocol="tcp" port="3306" accept"