CentOS 7 Firewall settings

First, Introduction

The CentOS 7 firewall is in the form of Firewalld Daemon, which differs from iptables

Ii. Methods of Use

Centos7 mainly through the firewall-cmd command to manage firewall, the following list some of my usual commands

Firewall-cmd--state #查看防火墙状态

Firewall-cmd--get-zones #获取firewall可支持的ZONE

Firewall-cmd--get-services #获取firewall可支持的服务

Firewall-cmd--get-default-zone #获取默认的ZONE

Firewall-cmd--set-default-zone=public  #设置默认的zone

Firewall-cmd--get-active-zones #获取活动zone

Firewall-cmd--zone=public--add-port=80/tcp--permanent #设置允许端口

Firewall-cmd--reload #加载新配置

CentOS 7 Firewall settings