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List:       linux-netdev
Subject:    Re: How to rewrite source addr from diald to prevent martians
From:       Peter Bieringer <pb () bieringer ! de>
Date:       2001-03-23 7:35:32
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At 01:46 23.03.2001, Bjorn Hammarberg wrote:
>Hi,
>
>Is there a simple way (i.e. through some kernel functionality) to
>rewrite the source address of a tcp/ip packet? I (think I) need that to
>improve my diald setup since buffered packets generated on the
>router/gateway are either dropped or does not work. I have read all
>sorts of documentation including the code without finding a proper
>solution that does not involve patching the kernel.

Ever tested /proc/sys/net/ipv4/ip_dynaddr ?
See /usr/src/linux/Documentation/networking/ip_dynaddr.txt for more.

>     named (8.2.2-P5)    forwarded to 10.0.0.1

Oh, remote root access via exploit possible. You should update your "bind" 
RPM asap.

         Peter

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