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##Add firewall-cmd --permanent --zone=public --add-port=80/tcp ##Remove firewall-cmd --permanent --zone=public --remove-port=80/tcp ##Reload firewall-cmd --reload
firewall-cmd --zone=public --query-port=80/tcp
firewall-cmd --list-all
systemctl status firewalld.service
systemctl start firewalld.service
systemctl stop firewalld.service
systemctl restart firewalld.service
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原文地址：http://www.cnblogs.com/xqzt/p/5456460.html
