[isalist] Possibly OT: Websense, ISA server (proxy mode) and blocking protocols
- From: "Andrew Hodgson" <Andrew.Hodgson@xxxxxxxxxx>
- To: isalist <isalist@xxxxxxxxxxxxx>
- Date: Wed, 14 Nov 2007 12:28:52 +0000
Hi,
We have the following configuration:
1 ISA Server 2006 machine running proxy services, and KAV for ISA. This
runs the Websense plugin.
1 Websense policy/reporting server running Websense Enterprise.
The ISA server contacts the Websense machine for policy information etc.
This works fine for blocking web pages, but I have some other protocols
(mainly LogMeIn and Google) which are still getting through.
I installed the Websense Network agent on the ISA server machine, which
is stopping such items as Youtube videos, and some streaming media, but
the above two applications – LogMeIn and Google Chat are still getting
through.
The firewall is only allowing port 80, 443 and 21 outbound from the ISA
server, and users do not have access to outside ports through the
firewall, so I know that the access is going through this proxy server.
Is there anything I can do about this? I am not allowed to integrate
Websense in with the firewall, which is why I am using the ISA
server/proxy route.
Thanks.
Andrew.
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