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  • Linux -- Centos7 防火墙 端口开放基本操作

     
    1.查看防火墙状态
    systemctl status firewalld
     
    查看所有打开的端口
    firewall-cmd --zone=public --list-ports
    

      

    添加端口
    firewall-cmd --zone=public --add-port=80/tcp
    或者
    vi /etc/firewalld/zones/public.xml
    <?xml version="1.0" encoding="utf-8"?> <zone> <short>Public</short> <description>For use in public areas. You do not trust the other computers on networks to not harm your computer. Only selected incoming connections are accepted.</description> <service name="ssh"/> <service name="dhcpv6-client"/> <port protocol="tcp" port="20"/> <port protocol="tcp" port="21"/> <port protocol="tcp" port="22"/> <port protocol="tcp" port="80"/> <port protocol="tcp" port="8888"/> <port protocol="tcp" port="39000-40000"/> <port protocol="tcp" port="888"/> <port protocol="tcp" port="443"/> <port protocol="tcp" port="3306"/> </zone>
    重启firewall
    Service firewalld restart 重启
    其他相关指令
    Service firewalld start  开启
    Service firewalld stop  关闭
    systemctl status firewalld  查看状态
    systemctl stop firewalld  关闭
    systemctl start firewalld 开启
    systemctl  restart firewalld 重启
    systemctl  disable firewalld  关闭开机启动
    

      

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  • 原文地址:https://www.cnblogs.com/smallyi/p/12228664.html
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