防火墻常用命令有哪些？

安裝Firewall

yuminstallfirewalldfirewalld-config

開(kāi)啟常見(jiàn)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(guān)閉常見(jiàn)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(kāi)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(shè)置開(kāi)機(jī)啟動(dòng)

systemctlenablefirewalld

停止并禁用開(kāi)機(jī)啟動(dòng)

sytemctldisablefirewalld

查看狀態(tài)

systemctlstatusfirewalld

或者

firewall-cmd–state

審核編輯：劉清