From: Kurt Seifried (bt@seifried.org)
Date: Thu Jun 01 2006 - 23:26:12 EDT
> Hello there,
>
> I am not a networking expert, but in my work as a pentester i often use
> arp poison attacks to intercept interesting traffic.
> If i recommend our customers to bind the MAC addresses of mission critical
> servers' network interfaces to their respective ports on the routers and
> switches, does that migitate most of the threat or am i missing something
> important?
The client side subnet. You've secured the server end, which will prevent an
attacker connected to the same switch the server is connected to from
hijacking on that subnet. However let's say floor 5 subnet, I simply go
"heck ya, I got the ARP for ip 1.2.3.4 (which corresponds to the host
fileserver.example.com). The traffic never makes it off the subnet (unless
of course the attacker wants it to).
> Thanks in advance for your reply.
>
> Peter.
-Kurt
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