[Dshield] Question on Skype

Henderson, Henry Henry.Henderson at oa.mo.gov
Fri Feb 17 16:23:41 GMT 2006

You need to isolate the VOIP from your data connection.  In other words
have two IP connections, the bandwidth can cause a data bandwidth
concern.  It also need different rules/policy on your firewalls/routers.

Henry Henderson
Missouri Office of Administration
Information Technology Services Division
Information Security Management Office
-----Original Message-----
From: list-bounces at lists.dshield.org
[mailto:list-bounces at lists.dshield.org] On Behalf Of Richard Roy
Sent: Friday, February 17, 2006 10:11 AM
To: list at lists.dshield.org
Subject: [Dshield] Question on Skype

I now have several remote users and they are interested in using skype
as their main method of communication.  I am not a user of it at all,
and as such I am rather unfamiliar with it.  Their main page seems to
give some info about it, but I was wondering what the response would be
from the security minded folks at dshield.  Is it secure? I realize that
once it hits a public line it is no longer encrypted, but when it is ip
to ip and over the internet is it secure?  I see it uses Rijndael
encryption, but I thought I remembered reading some time ago that this
type of encryption could be cracked theoretically.  Am I confusing this
with something else.  Please point me in the right direction.  I do not
want the users to have a false sense of security.
We are planning a corporate move to voip by year end anyhow, so this
just might be temporary.  Thanks.  Just trying to stay informed.
Richard Roy
Learn about Intrusion Detection in Depth from the comfort of your own

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