vShield Zones vs. other solutions

I am looking for a high-level comparison of solutions (vshield zones, pvlans, VMsafe 3rd pary solutions, etc.).  to isolate a network of virtual machines within a vSphere environment.

Here's the scenario:

The physical LAN is divided into several VIRTUAL LANs already, but we do not rely on this alone to isolate groups of virtual machines, one of the other.  We also want to isolate traffic from groups of virtual machines that belong to similar groups in the same environment virtual and not necessary to create a separate vlan on the physical switches for each group of vm needs its traffic in isolated from other virtual machines.  (all the VMS need to internet connectivity)

I know it can be done with vShield zones, but I would like to get a vision of the otherwise, that this can be done, and how they compare and the advantages and disadvantages of each.  In addition, no matter what other traps that I need to be wary as incompatibility with HA, FT, etc..

If needed 10 new virtual machines to create and they will be distributed on between different groups and esx hosts, we want to have all the layer 2 chassis of these invisible to all other vm vm.  Facilitated internal management VLAN / vShield Zones and solutions that are free or equipped for business/business more versions are preferred.

Any thoughts are appreciated.

Hello

Thanks - this is a useful article.  In this scenario, one of the objectives is to have a host group esx, clusters and vms, all on the same physical subnet with the IP on that subnet-, then this great group of VMS to separate groups of virtual machines and allow them to talk only to the virtual machine in their group.  For example, suppose that there are 200 vm on the 192.168.1.0/24 subnet.  They all go to keep their IP addresses.  Suppose that 20 are these vm "group a" and 20 are in "Group B".  Group A vm should be able to talk to the other group a Vm only.  Group B vm should be able to talk only to the other group B vm.

Yes it is possible with many solutions virtualization security VMsafe if or not. It's area of area protections available to vShield App, vShield Zones, Altor networks, systems SLR, Trend Micro, IBM, Checkpoint, mocking, etc... Very basic requirement.

However, it could be spread of Group A vm among different esx hosts and clusters.  But some management tool is to control isolation still monitors hence Group A vm is even if they are distributed among different ESX hosts and ESX clusters.  Amidst all this, it goes without requiring the creation of a separate subnet and keeping all the 192.168.1.0/24 subnet IP addresses.   The piece of management that administers the (vshield zones/vshield edge or what the solution is) for example, can a place manage virtual machines that are in these distinct groups and separate their traffic.

One of the solutions can do it too... The traffic is not necessary 'isolated', as it might be on a VIRTUAL LAN, but if you think that it is quite distinct, so that is very good.

Although the article mentioned some of these subjects from a high level perspective, I'm not quite clear on the distinctions between the products and what they can and cannot do to understand what product if none will actually just that.  Is this possible with Vshield Zones?  The next questioner talked vshield Edge "that separates traffic on layer 2" occupies Vshield edge with separation of traffic between virtual machines on the same subnet or subnets that separate as would a router logical?  (In this scenario all the vm could be created on and stay on the 192.168.1.0/24 subnet)

vShield Edge is just an a little perimeter firewall as a PIX firewall, etc. Just a virtual version of such a firewall. He has other capabilities not found in physical firewall.

The idea that you have a fluid network must be managed is why you need a virtualization within your network security device. All current devices require that you put at least one virtual device on each host which in turn talk to a console management for all devices. So if you have 200 guests you have 200 aircraft, talk with a single management node that controls what each of these devices can do and the policies to be applied on each host. So, let's assume the following:

200 guests. 20 virtual machines by the Zone of confidence, confidence in 20 areas, no two areas of trust can talk to each other and 20 virtual machines can be spread over 200 guests, and there is no known place of the virtual machines. All the virtual machines on the same subnet.

Your security Console would be the description of the policy that says that every trusted zone is separated from the other, etc. The policy is sent to the appliances on each of the 200 guests. and these devices apply policy denying access between areas of different trust virtual machines.

The tools to do this. Some cela via VMsafe such as vShield App, Altor networks, reflex systems, TrendMicro, CheckPoint or IBM. Others do so via online/offline terminals vShield Edge, mocking, Trend Micro. And still others may make using PVLANS as the distributed virtual switch. Inline devices separate virtual machines by trade in order to provide the necessary protection, while the VMsafe style devices could do this within the hypervisor. In both cases your 'policy' would be applied.

NOTE however that if the virtual machines are all on the same subnet, then while the policies will work with these tools, a misconfigured vSwitch Portgroup allow VM only, see all the traffic on a host given to the subnet. So now audit becomes an important requirement to ensure vSwtich and Portgroup settings do not allow such behavior.

Best regards
Edward L. Haletky VMware communities user moderator, VMware vExpert 2009, 2010

Now available: url = http://www.astroarch.com/wiki/index.php/VMware_Virtual_Infrastructure_Security'VMware vSphere (TM) and Virtual Infrastructure Security' [/ URL]

Also available url = http://www.astroarch.com/wiki/index.php/VMWare_ESX_Server_in_the_Enterprise"VMWare ESX Server in the enterprise" [url]

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Tags: VMware

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