CentOS 7 Open port

Firewall-cmd--reload #重启firewall

Systemctl Stop Firewalld.service #停止firewall

Systemctl Disable Firewalld.service #禁止firewall开机启动

To view ports that are already open:

Firewall-cmd--list-ports

Open port

Firewall-cmd--zone=public--add-port=80/tcp--permanent

Command meaning:

--zone #作用域

--add-port=80/tcp #添加端口 in the format: Port/Communication protocol

--permanent #永久生效, fail after reboot without this parameter

Restarting the firewall

Firewall-cmd--reload

This article is from the "Liu" blog, make sure to keep this source http://liuzhenlife.blog.51cto.com/10591893/1889058

CentOS 7 Open port