安裝Firewall

yuminstallfirewalldfirewalld-config

開啟常見端口

firewall-cmd–zone=public–add-port=80/tcp–permanent
firewall-cmd–zone=public–add-port=443/tcp–permanent
firewall-cmd–zone=public–add-port=22/tcp–permanent
firewall-cmd–zone=public–add-port=21/tcp–permanent
firewall-cmd–zone=public–add-port=53/udp–permanent

關閉常見端口

firewall-cmd–zone=public–remove-port=80/tcp–permanent
firewall-cmd–zone=public–remove-port=443/tcp–permanent
firewall-cmd–zone=public–remove-port=22/tcp–permanent
firewall-cmd–zone=public–remove-port=21/tcp–permanent
firewall-cmd–zone=public–remove-port=53/udp–permanent

批量添加區(qū)間端口

firewall-cmd–zone=public–add-port=4400-4600/udp–permanent
firewall-cmd–zone=public–add-port=4400-4600/tcp–permanent

開啟防火墻

systemctlstartfirewalld

重啟防火墻

firewall-cmd–reload

或者

servicefirewalldrestart

查看端口列表

firewall-cmd–permanent–list-port

禁用防火墻

systemctlstopfirewalld

設置開機啟動

systemctlenablefirewalld

停止并禁用開機啟動

sytemctldisablefirewalld

查看狀態(tài)

systemctlstatusfirewalld

或者

firewall-cmd–state

審核編輯：劉清