Firewall - cruisechang/wiki-linux GitHub Wiki

Description

Firewall is a centOS7 firewall system.

Basic

systemctl start firewalld

systemctl stop firewalld

systemctl status firewalld

firewall-cmd --list-all --permanent

firewall-cmd --reload

Find active zones

firewall-cmd --get-acitve-zones

active zones will be public,dmz or something else.

Add remove port/service

firewall-cmd --zone=dmz --add-port=888/tcp --permanent

firewall-cmd --add-port=888/tcp --permanent

firewall-cmd --zone=public --add-service=http --permanent

firewall-cmd --zone=public --remove-service=http --permanent

Check port/Check service

firewall-cmd --zone=public --query-port=80/tcp

firewall-cmd --zone=public --query-service=h