13问答网 > 如何用iptables禁止某个端口的访问，如8080，843等

如何用iptables禁止某个端口的访问，如8080，843等

2025-03-17 14:30:34
推荐回答（1个）
回答1：

拒绝对本机端口8080-8081端口的TCP协议访问：

iptables -I INPUT -p tcp --dport 8080:8081 -j DROP

拒绝对本机端口843端口的UDP访问：
iptables -I INPUT -p udp --dport 843 -j DROP

拒绝转发目的端口843的UDP包：
iptables -I FORWARD -p udp --dport 843 -j DROP

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