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想用iptables设置本机只允许与一部分内网机器和一台外网机器数据交互,应该怎么配置?
以下是默认的配置:- Chain INPUT (policy ACCEPT)
- target prot opt source destination
- ACCEPT all -- 0.0.0.0/0 0.0.0.0/0 state RELATED,ESTABLISHED
- ACCEPT icmp -- 0.0.0.0/0 0.0.0.0/0
- ACCEPT all -- 0.0.0.0/0 0.0.0.0/0
- ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 state NEW tcp dpt:22
- REJECT all -- 0.0.0.0/0 0.0.0.0/0 reject-with icmp-host-prohibited
- Chain FORWARD (policy ACCEPT)
- target prot opt source destination
- REJECT all -- 0.0.0.0/0 0.0.0.0/0 reject-with icmp-host-prohibited
- Chain OUTPUT (policy ACCEPT)
- target prot opt source destination
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