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售前:9:00-23:30 备案:9:00-18:00 技术:7*24h
firewall 简单使用
1,显示所有配置
1 | firewall-cmd --list-all-zones |
2,重新加载配置
1 | firewall-cmd --reload |
3,从public移除 interface
1 | firewall-cmd --zone=public --remove-interface=eno16777736 |
4,查询外网端口8080
1 | firewall-cmd --permanent --query-port=8080 /tcp |
5,删除8080端口,禁止外网访问
1 | firewall-cmd --permanent --remove-port=8080 /tcp |
6,添加8080端口,供外网访问
1 | firewall-cmd --permanent --add-port=8080 /tcp |
7,重启防火墙
1 | systemctl restart firewalld |
8,将发往80端口的请求转发到8080
1 | firewall-cmd --add-forward-port=port=80:proto=tcp:toport=8080 |
9,查看一下防火墙现在开启了哪些服务和端口
[root@localhost ~] # firewall-cmd --list-all public (default, active) interfaces: eno16777736 sources: services: dhcpv6-client ssh ports: 8080 /tcp masquerade: no forward-ports: port=80:proto=tcp:toport=8080:toaddr= icmp-blocks: rich rules: |
10,设置默认的zone
irewall-cmd --get-default-zone firewall-cmd -- set -default-zone=trusted |