Some of the differences between CENTOS7 and CentOS 6

Usually we use CentOS 6 basically. But occasionally encountered on the record, and share with you.

Firewall
[CentOS 6] Iptables
[CentOS 7] Firewalld

Open 80 port in 7

1. Firewall-cmd--zone=public--add-port=80/tcp--permanent #出现success表明添加成功

Copy Codecommand 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 parameterdetailed Reference # # Portal # #

Some of the differences between CENTOS7 and CentOS 6