Re: MAC address

["Tim Syratt" <tim () syratt com>]

Correct on all accounts.. and you must also consider cache engines as well.
.You could easily 'turn off' entire parts of ISPs because of one attacker,
and that could in turn be used as a form of DoS by attacking your site from
multiple locations using trojans.

Regs,
Tim.

----- Original Message ----- 
From: "Jorge Coll" <jcoll () commonx com>
To: "n30" <n30_lists () hotmail com>
Cc: <security-basics () securityfocus com>
Sent: Saturday, October 18, 2003 4:30 AM
Subject: RE: MAC address


> No.  Not unless you're on the same local subnet.  MAC addresses are a
> part of Layer 2 (Data Link).  Once you are past the first router, L2
> information is dropped.  Layer 3 (IP) is what is used for routing
> packets around.
>
> - jc
>
> -----Original Message-----
> From: n30 [mailto:n30_lists () hotmail com]
> Sent: Friday, October 17, 2003 10:49 AM
> To: security-basics () securityfocus com
> Subject: MAC address
>
> Guys,
>
> Lets say i am a web programmer and i want to use strong sessions.
>
> Is it possible for the web server to determine the MAC of clients
> browsing
> the application.
>
> If yes, I can programatically use this MAC address in sessions to
> prevent
> lot of session related attacks.
>
> For right now, say I can implement the web application in any language i
> want.
>
> Thanks
> -n
>
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- Make firewall, VPN, and NAT rules interoperable across heterogeneous
networks
- Quickly respond to network events from a central console

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