Security Basics mailing list archives

Re: Preventing DHCP from allocating IPs


From: Tony Meman <none () superig com br>
Date: Wed, 11 Dec 2002 19:03:48 -0200

No, u can sniff switched networks using poisoning the arp table. Its pretty easy to do it
usually. Check out ethercap, it uses this techniq.

--
none

jon kintner wrote:

I don't know if it's impossibe, but isn't sniffing traffic on a switched
network more difficult?

-jon

----- Original Message -----
From: "Tony Meman" <none () superig com br>
To: <security-basics () securityfocus com>
Sent: Saturday, December 07, 2002 3:29 PM
Subject: Re: Preventing DHCP from allocating IPs


Someone could just sniff the traffic, collect some valid MAC addresses
and use one of
them when some box is down. MAC spoofing is trivial.

Regards,

--
none

Hasnain Atique wrote:





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