Centos7 firewall开放端口

firewall-cmd –zone=public –add-port=80/tcp –permanent
命令含义:

–zone #作用域

–add-port=80/tcp #添加端口,格式为:端口/通讯协议

–permanent #永久生效,没有此参数重启后失效

然后重启防火墙即可
firewall-cmd –reload

详细可见
https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/Security_Guide/sec-Using_Firewalls.html

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转载自blog.csdn.net/death_include/article/details/68489010