[THIN] Re: ICA Client Encryption
- From: "Steve Greenberg" <steveg@xxxxxxxxxxxxxx>
- To: <thin@xxxxxxxxxxxxx>
- Date: Thu, 10 Jul 2008 07:05:22 -0700
Yes, Briforum rocked!!
If all external connections are AG then the outside is "protected", the
question is how important is it to encrypt traffic on the inside. Keep in
mind that ICA is not your biggest internal exposure, the html and xml stuff
between WI, AG and the XML service is actually more vulnerable. To secure
this stuff you need certs between these boxes. As far as 128 ICA encryption
I would always turn it on, the few % of CPU it might take is worth knowing
that the ICA traffic is secure as it travels around, also consider
encrypting authentication in any scenario .
Steve Greenberg
Thin Client Computing
34522 N. Scottsdale Rd D8453
Scottsdale, AZ 85266
(602) 432-8649
www.thinclient.net
steveg@xxxxxxxxxxxxxx
_____
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf
Of Jensen, Jay
Sent: Thursday, July 10, 2008 5:58 AM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] ICA Client Encryption
Hello gang, BriForum 2008 at Chicago Navy's Pier rocked!! What a relaxed
and awesome venue!
My new boss wants to put the ICA (XenApp Client 10.20) encryption level
from our previous 128-bit encryption to Basic encryption when we migrate to
our new XenApp 4.5 Farm. In the past we have always used 128-bit encryption
due to security to reduce any chance a hacker could intercept our ICA TCP/IP
packets and jeopardize our Citrix Farm / Corporate data. We are an
international business with over a 250-server farm so it is imperative we
get it right!
We use CSG today for our External Citrix connection and we are in the
process of migrating to Access Gateway both internally and externally.
What is everyone else using for ICA client encryption and/or can you point
me to a whitepaper or recommendation site what is the best practice on ICA
Client encryption? I guess I am old school and maybe I am being stupid in
recommending 128-bit encryption on the ICA client and I would like one of
experts in this list to guide me in the rigiht direction and ease my fears
that Basic ICA encryption is what should be used!
Thank You in advance for your assistance.
Jay Jensen
Citrix Team
Americas Sales and Distribution IT
Trane Commercial Systems
Ingersoll Rand
3600 Pammel Creek Road, La Crosse, WI 54601
Tel: 608-787-4619
E-mail: jjensen@xxxxxxxxx
www.trane.com
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