RE: Re : VPN over VSAT Link

[Sarbjit Singh Gill <ssgill () gilltechnologies com>]

Greetings 

BT with its product of Onevoice. It is about carrying voice data over MPLS.
Like a global vpn. 

Here is more
http://www.btglobalservices.com/business/global/en/products/onevoice/index.h
tml

/Sarbjit 

-----Original Message-----
From: listbounce () securityfocus com [mailto:listbounce () securityfocus com] On
Behalf Of soul
Sent: 16 February 2008 02:12
To: brianpalmer () computermail net; security-basics () securityfocus com
Cc: Mohit Sharma; Lee Hilt; Scott Race
Subject: Re : Re : VPN over VSAT Link

Thank you ALL for your contributions.

I will appreciate if you can give some references of company doing VPN
(IPSec or others) over VSAT. I need this for my report.

thank you



----- Message d'origine ----
De : Brian Palmer <brianpalmer () computermail net>
À : security-basics () securityfocus com
Envoyé le : Vendredi, 15 Février 2008, 7h45mn 59s
Objet : Re : VPN over VSAT Link

ROI on securing VSAT communications.  How do you do ROI on securing any of
your other traffic?  Figure it the same way.  I.E.  What would it cost the
business if any of this data were lost/destroyed, stolen, found it's way
into a competitors hands, altered, etc. versus the cost of securing it.  

As far as the need for encrytping VSAT.  DEFINITELY!  While it's not quite
as easy to intercept as WLAN it's still possible and easy enough for someone
interested in getting your companies data.  Also, you said you have a proof
of concept with one site so use metrics on that site to determine any
performance issues.  

Good luck

--- soul1273 () yahoo fr wrote:

From: soul <soul1273 () yahoo fr>
To: Lee Hilt <lhilt () mbc edu>, security-basics () securityfocus com
Subject: Re : VPN over VSAT Link
Date: Thu, 14 Feb 2008 20:50:46 +0000 (GMT)

I have the same opinion but some people in my organization think that VSAT
or satellite link is secure so there is no need to encrypt.
So i am trying to convince them that our security should not be handled by
VSAT or satellite provider. So we need to secure our VSAT network in order
to secure the communication end to end with our field offices.

We have implement a proof of concept  LAN-to-LAN IPSec VPN solution with
cisco PIX router between one field office and the Headquater. It is working
fine but the question is now about return on investment and performance
issue. They want us to justify the investment and if there will be
performance issue.

any advice?

thank you



----- Message d'origine ----
De : Lee Hilt <lhilt () mbc edu>
À : soul <soul1273 () yahoo fr>; security-basics () securityfocus com
Envoyé le : Jeudi, 14 Février 2008, 18h24mn 13s
Objet : RE: VPN over VSAT Link

in my opinion, even though the traffic originates in a non-traditional way
(I.E. not "on the wire") it eventually gets there. LOGICALLY all traffic is
"On the wire" so despite the originization, the traffic is subject to
sniffing... so I would say if you have any sensitive assets, some sort of
traffic encryption would be needed


-----Original Message-----
From: listbounce () securityfocus com [mailto:listbounce () securityfocus com] On
Behalf Of soul
Sent: 2008-02-14 9:08
To: security-basics () securityfocus com
Subject: VPN over VSAT Link

Dear ALL

My company have 15 field offices connected by a VSAT Network and all the
applications are centralised in the Headquater. We are discussing about the
need to have IPSec VPN LAN-2-LAN over VSAT transactions and access to
applications between field offices and Headquater.

Is it necessary to have encryption over satellite link?

thank you.



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