功能 | 命令 |
---|---|
查看防火墙状态 | firewall-cmd –state 或者systemctl status firewalld |
开启 | systemctl start firewalld |
关闭 | systemctl stop firewalld |
重启 | systemctl restart firewalld |
开机自启动 | systemctl enable firewalld.service |
永久关闭 | systemctl disable firewalld.service |
查看防火墙开放的端口 | firewall-cmd –permanent –zone=public –list-ports |
开放8080端口 | firewall-cmd –zone=public –add-port=8080/tcp –permanent |
取消8080端口 | firewall-cmd –zone=public –remove-port=9200/tcp –permanent |
重新加载防火墙规则 | firewall-cmd –reload |
验证新增加端口是否生效 | firewall-cmd –zone=public –query-port=8080/tcp |
1.查看防火墙状态:
firewall-cmd –state
2.防火墙
systemctl start firewalld 开启
systemctl stop firewalld 关闭
systemctl restart firewalld 重启
systemctl status firewalld 状态
3.查看防火墙开放的端口
firewall-cmd –permanent –zone=public –list-ports
5.开放8080端口
firewall-cmd –zone=public –add-port=8080/tcp –permanent
6.取消8080端口
firewall-cmd –zone=public –remove-port=9200/tcp –permanent
7.重新加载防火墙规则
firewall-cmd –reload
8.验证新增加端口是否生效
firewall-cmd –zone=public –query-port=8080/tcp
9.防火墙开机自启动,永久关闭
systemctl enable firewalld.service
systemctl disable firewalld.service