I am facing a similar position, however my vendor insists that Nortel VPN
has to be in Internet .. It cannot use natted IP..
I do not exactly buy this suggestion but am still looking for conclusive
evidence to confront him with this..
Any help appreciated
Regards
Samir
----- Original Message -----
From: "Rodrigo Blanco" <rodrigo.blanco.r@gmail.com>
To: <camfischer@gmail.com>
Cc: <pen-test@securityfocus.com>
Sent: Saturday, September 03, 2005 3:04 PM
Subject: Re: Nortel Contivity 2600
Hello,
I would think of DoS at first (certain versions of the Conctivity have
DoS vulnerabilities).
Although its VXworks architecture seems very robust, it does not look
right to me to have a VPN concentrator directly accessible on the
Inernet, why not place it in a DMZ (firewall protection makes sense,
and so does IDS/IPS)?
By the way, bear in mind Contivity also has a firewall module that can
run on its same platform, this could be very reccomendable if you are
to place it directly on the Internet.
Hope this helps,
Rodrigo.
On 9/1/05, Cam Fischer <camfischer@gmail.com> wrote:
Hi list!
I am looking for good reasons why I should move a Nortel Contivity
2600 VPN device behind a firewall.
Currently the device sits on the internet, and is used for VPN traffic
from other offices, and also for VPN dial-in users.
Are there any risks with this configuration? What comments can be made
around whether or not I should be placing this behind the firewall /
IDS....
Thanks!
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