Snort mailing list archives

Re: Snort VM monitoring other VMs (virtual environment)


From: Crusty Saint <saintcrusty () gmail com>
Date: Tue, 12 Apr 2011 16:29:39 +0200

Would this not require some sort of vlan set-up ?

http://open.eucalyptus.com/wiki/EucalyptusNetworkConfiguration_v2.0documents
there are multiple network modes available. If at all applicable a
span-port would do the magic you're looking for.



2011/4/12 turki <turki_00 () yahoo com>

Hi Mike,

Unfortinatly, I am not using VMware products.

I am using Eucalyptus cloud
http://open.eucalyptus.com/



--- On *Mon, 4/11/11, Mike Lococo <mikelococo () gmail com>* wrote:


From: Mike Lococo <mikelococo () gmail com>

Subject: Re: [Snort-users] Snort VM monitoring other VMs (virtual
environment)
To: snort-users () lists sourceforge net
Received: Monday, April 11, 2011, 11:19 PM


I am running Snort 2.9 on a virtual machine with 1 NIC (eth0) and I
manage to detect and log alerts generated from it. (I will call it
Snort-VM)

My question, if I run another virtual machine (I will call it
App-VM)within the same network of the Snort-VM (same subnet mask).
Will I be able to configure Snort-VM to pick up traffic generated
from App-VM?

So in general, Is it even possible to let Snort log traffic for other
virtual machines?

It is possible.  There are two general paths:

1) Configure your vswitch to ship the traffic to your sniffer-vm.  It
won't do this by default, but it can be done.
2) Use a virtual-appliance of some kind that supports sniffing.  Solera
has something, I think, and there are some other security-specific
appliances that hook into VMWare on a fairly low level to monitor
clients in special ways (Anti-Virus VM's that do memory inspection of
all clients on a host, for example).

Check out this link, which has a decent overview of sniffing on ESX:
http://vmetc.com/2009/03/12/virtual-machine-sniffer-on-esx-hosts/

Cheers,
Mike Lococo


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Forrester Wave Report - Recovery time is now measured in hours and minutes
not days. Key insights are discussed in the 2010 Forrester Wave Report as
part of an in-depth evaluation of disaster recovery service providers.
Forrester found the best-in-class provider in terms of services and vision.
Read this report now!  http://p.sf.net/sfu/ibm-webcastpromo
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Web Troubleshooting - If you think I deserve a rant, write me off-list
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not days. Key insights are discussed in the 2010 Forrester Wave Report as
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