Re: VMware ESX

Greetings,

My Advice could be to *NOT* do this...

This depends, somewhat, on the version of ESX you are running... ESXi
is 32MB and presents a much smaller attack surface that ESX. I would
never advise implementing ESX itself on both the internal network and
the DMZ, but I can't say for sure about implementing ESXi...

However keep this Microsoft Advisory in mind --
http://www.microsoft.com/technet/security/Bulletin/MS07-049.mspx

It is VirtualPC and VirtualServer but think about that.. Admin access
to any single guest, gives you access to all other guests and the
host... Who knows if that exists for VMWare and just hasn't been
stumbled across yet.

Tyler.



On Mon, Apr 21, 2008 at 6:54 PM, TVB NOC <tvbnoc@xxxxxxxxxxxxxxxxxxxxxx> wrote:
Actually,

I used to work at a company that did it... Because the VMware instances
are not aware of each other inside the host, its not a bad solution..
However, if I were going to implement it, I would not do VLANs and
Trunking (tagging) between the virtual switch and the physical switch. I
would add an additional quad card or other physical network card and
physically separate the VM host, plugging each isolated VMhost network
connection them directly into the physical switch...

Hope this helps... sorry for the grammatical errors too...





On Mon, Apr 21, 2008 at 5:23 AM, Paul Heywood
<Paul.Heywood@xxxxxxxxxxxxxxxxxxxx> wrote:
Hi forum,

we've got a VMware ESX group of servers running on the inside of our
network. Our server team want to extend this to include some DMZ
servers. How vulnerable would this leave the internal network ? Am I
correct in thinking that if the VMware cluster was hacked, this would
give them access to the internal network


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