CentOS7防火牆
阿新 • • 發佈:2021-11-30
1, 檢視防火牆狀態:
7,開埠命令:
10、檢視埠是否開啟
firewall-cmd --state
systemctl status firewalld.service
2, 開啟防火牆:
systemctl start firewalld.service3,設定開機自啟:
systemctl enable firewalld.service4, 重啟防火牆:
systemctl restart firewalld.service5, 檢視防火牆設定開機自啟是否成功:
systemctl is-enabled firewalld.service;echo $?6,關閉防火牆:
systemctl stop firewalld.service
開啟單個埠:firewall-cmd --zone=public --add-port=8080/tcp --permanent 開啟多個埠:firewall-cmd --zone=public --add-port=20000-29999/tcp --permanent --permanent 為永久生效,不加為單次有效(重啟失效)8,檢視開啟埠:
netstat -ntlp 或:firewall-cmd --list-ports9,關閉埠命令:
firewall-cmd --zone=public --remove-port=8080/tcp --permanent
firewall-cmd --zone=public --query-port=8080/tcp