linux中如果要屏蔽除80端口外其他所有端口要如何修改etcsysconfigip

linux中如果要屏蔽除80端口外其他所有端口要如何修改etcsysconfigiptables，本人系统是centos6.5.

匿名 2020-10-07 22:13:05 来自:厦门

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如下修改。。建议要把22 加上。。。否则后面连接不方便，如果不想要就删除这条。只留80 # Generated by iptables-save v1.4.7 on Fri Mar 14 15:19:57 2019 *raw :PREROUTING ACCEPT [0:0] :OUTPUT ACCEPT [1:140] COMMIT # Completed on Fri Mar 14 15:19:57 2019 # Generated by iptables-save v1.4.7 on Fri Mar 14 15:19:57 2019 *mangle :PREROUTING ACCEPT [0:0] :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [1:140] :POSTROUTING ACCEPT [1:140] COMMIT # Completed on Fri Mar 14 15:19:57 2019 # Generated by iptables-save v1.4.7 on Fri Mar 14 15:19:57 2019 *nat :PREROUTING ACCEPT [0:0] :POSTROUTING ACCEPT [0:0] :OUTPUT ACCEPT [0:0] COMMIT # Completed on Fri Mar 14 15:19:57 2019 # Generated by iptables-save v1.4.7 on Fri Mar 14 15:19:57 2019 *filter :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [1:140] -A INPUT -p tcp -m tcp --dport 22 -j ACCEPT -A INPUT -p tcp -m tcp --dport 80 -j ACCEPT COMMIT # Completed on Fri Mar 14 15:19:57 2019

2020-10-07

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