開啓端口:firewall-cmd --zone=public --add-port=端口號/tcp --permanent
查詢端口號是否開啓: firewall-cmd --query-port=端口號/tcp
重啓防火牆:firewall-cmd --reload
查詢端口開啓狀態:firewall-cmd --list-port
關閉firewall:
#停止防火牆 systemctl stop firewalld.service
#禁止防火牆開機啓動 systemctl disable firewalld.service