Penetration Testing mailing list archives

Re: cain & abel full routing


From: Tim <pand0ra.usa () gmail com>
Date: Tue, 13 Jun 2006 16:40:06 -0600

All you are doing is poisoning the ARP tables on those systems. The
router/server may not be caching ARP entries or something else may be
going on that is causing the half-routing, such as the device has the
MAC's hard coded in preventing ARP spoofing. How long did you wait
before cancelling the attack, as sometimes you have to wait for the
ARP entry to expire before you can poison the table.

On 6/13/06, Alex <quick.touch () gmail com> wrote:
why when i use cain&abel and try to perform a man-in-the-middle-attack between the gateway and a test host, i only get 
half-routing and i only see what the test host transmits to the gateway, but not what the gateway transmits to the test 
host?

IP are allocated after MAC addresses, so the server knows exactly what mac address is allocated to the ip that i'm 
using as a test host.
i thought that a possibility to get what the gateway sends to the test host is to change my mac (i used smac) into the mac of the 
test host, but it didn't work as a full routing (i'm not sure but i think i was able to see what the gateway sent to 
the test host, but not what the test host sent to the gateway).
is there any way of performing a full man-in-the-middle attack in this scenario?

i saw this example http://shsc.info/ARPPoisoning and he achieved there a full routing between a host on the network and one 
that's over Internet.. (or i might be wrong, because lower in the WAN View he is doing a half-routing with hosts that 
are over Internet)


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