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Daily Archives: 2008-09-23
feed地址更改
由于9月30号后绑米好像要收钱了,所以暂时地址会转回http://sonic.72pines.com,如果有feed订阅的,可以使用feedsky的地址:http://feed.feedsky.com/hzmangel,感谢大家的关注。
Posted in 杂九杂十^_^
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在iptables中配置nat包转发
关键字:iptables, nat, 包转发 两台机器,一台有多块网卡,能连外网,算是A吧,另一台连在A上,就叫B吧。现在的情况就是,有一台机器C,机器A能连上,机器B连不上,于是就要在A上做一个转发,把B发来的到C的包都转出去。 于是就有了一句iptables: iptables -t nat -A POSTROUTING \ -s [ip of addr B] -d \ [ip addr if C] -j SNAT \ –to-source [outer ip addr of A] 下面逐段解释一下,第一个选项-t表示要把东西加到nat表中,iptables默认使用的是filter表;选项A表示是要把这条规则加到POSTROUTING链中的,系统在决定了数据包的路由后执行该链中的规则;-s选项表示源目的地址,在这个配置中就是内网机器B的地址;-d选项指定目的地址,即C的地址;SNAT操作表示改变包的源地址;最后–to-source写的是机器A的地址,然后就配完了,嗯。
Posted in 小企鹅Linux
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