[THIN] Re: McAfee NetShield

  • From: "Greg Yorke (V)" <GYorke@xxxxxxxxxxxxx>
  • To: "'thin@xxxxxxxxxxxxx'" <thin@xxxxxxxxxxxxx>
  • Date: Tue, 20 Aug 2002 10:52:17 -0700

Sorry about this, forgot to mention that the same sort of problems occurred
with McAfee too.

-----Original Message-----
From: Greg Yorke (V) 
Sent: August 20, 2002 10:50 AM
To: 'thin@xxxxxxxxxxxxx'
Subject: [THIN] Re: McAfee NetShield





NAV seems to work great on Citrix servers that have very few users on, but
most of our servers have to handle over 50 users. When I started installing
NAV on the Citrix servers I would see all sorts of odd issues. Applications
would mysteriously start acting strange. (ie. Running slow, locking up,
etc.) The servers that handled more than 30-40 users would become extremely
slow. Some went as far as blue screening.  At first we thought it was due to
the real time monitoring. Once we turned that off, some of the issues went
away, but what's the use of a virus program that isn't doing any protecting.

Our environment was also set-up to do auto updates every week for NAV on
Citrix. Every time one of those installs occurred, we would have problems
the next day. I figured it may have had something to do with the "Change
user /install" not being done.

I also noticed that the Citrix servers were always in a warning state. By
this I mean that the shield icon would have an exclamation mark on it.
Meaning that something was wrong with NAV.

We were also finding that installing NAV was hit and miss on the terminal
servers. We had to go as far as rebuilding some machines after installing.

To make a few months of suffering go away, I went through all the Citrix
servers and uninstalled the NAV. After I did that, all my problems
disappeared. 

With that in mind, we have NAV working on all our other types of servers,
and there haven't been many issues. 

This rant probably doesn't help, but those are the issues I had.

Greg




-----Original Message-----
From: Jim Werner [mailto:jimbowerner@xxxxxxxxx]
Sent: August 20, 2002 10:29 AM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: McAfee NetShield



How did it blow up your servers?  We've been running 4.5.1 in the house with
the e500 Policy Orchestrator and haven't had any "hey, McAfee killed your
server" issues.  We are having a domain controller issue (cannot find it)
every now and then, and come to think of it, it could be in the same time
frame since McAfee came on board, but I wouldn't think that could be the
problem.  Any more info would be great.
Jim
 Michael Boggan wrote:
Yeah we tried to run McAffee on citrix and it blew up the servers. I wasn't
a happy camper. Been using Trend for about a month now and it works great.

_________________________________ 

Michael Boggan
Network Engineer/Citrix Admin
Virtual Desktop Inc. 
Dallas, Texas 
Ph: (972) 960-6400 
Fax: (972) 960-6445 
email: mboggan@xxxxxxxxxxx 
http://www.virtualdesktopinc.com 
_________________________________ 

For Technical Support please send email to support@xxxxxxxxxxx 

-----Original Message-----
From: Matt Fowler [mailto:mfowler@xxxxxxxxxxxxxxx]
Sent: Tuesday, August 20, 2002 11:25 AM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] McAfee NetShield



Anyone have any comments on the effectiveness, or lack thereof, of McAfee's 
4.5.1 netshield running on Windows 2000 w/MetaFrame XPa? I have seen a lot 
of threads on Trend Micro - is that the preferred virus scan software in 
the Citrix environment? All of our NT workstations already run McAfee, just 
not our Citrix servers.

Thanks for any help.
Matt Fowler
LAN Specialist
(847)925-6113
mfowler@xxxxxxxxxxxxxxx


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