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Virtualization is the creation of a virtual (rather than actual) version of something, such as an operating system, a server, a storage device or network resources.

You can route the network through one guest which contains the firewall and then you just let all your other guests connect through the network of the firewall-VM.
answered Feb 2 '13 by Lucas Kauffman
A security engineer doesn't maintain computers, that's what the service desk does. In your case you will require him to install three tools: a hypervisor docker database software From there he can …
answered Aug 30 '16 by Lucas Kauffman
Have you thought about this: VMacc will be the linux access VM, this one has a public IP I guess? It also has is your VPN access point. Create a virtual switch in vmware and put all your vulnerable …
answered Apr 16 '12 by Lucas Kauffman
That would depend on the type of virtualization, with hardware virtualization (Xen, ESX, Hyper-V) there is, like D.W. says, no problem. However with kernel virtualization (LXC, openVZ) there is … using hardware virtualization rather than kernel virtualization. http://berrange.com/posts/2011/09/27/getting-started-with-lxc-using-libvirt/ http://blog.flameeyes.eu/2010/06/lxc-and-why-it-s-not-prime-time-yet …
answered Aug 22 '12 by Lucas Kauffman
Once a system is compromised you can not trust any of its services or processes. So with a hypervisor, you can not trust any of the VM's.
answered Jan 29 '12 by Lucas Kauffman
The problem with security is that it's often a trade-off with usability. The first thing to do is to educate your users: lock their computers if they go away have an update,secured (AV/firewall) env …
answered Apr 24 '12 by Lucas Kauffman
With a VPS you are only depending on yourself for security. With shared hosting there is always a liability of other people's website on the server being insecure and in the end leading to the comprom …
answered Dec 5 '13 by Lucas Kauffman
yes yes If the decryption key is in the memory, then you will be able to find it if you have access to the host. The reason that the decryption key is in the memory is because you need to store it s …
answered Apr 22 '12 by Lucas Kauffman
It can very well be that your NIC of your VM is bridged to your physical machine, which means the firewall rules which apply to your physical machine, may not apply for your VM.
answered Jan 19 '13 by Lucas Kauffman
I suggest you put them on a LAN and your students can surf to them through a VPN setup. It's a lot safer than putting them just on the internet. If you just put them on the internet, you get attention …
answered Mar 19 '12 by Lucas Kauffman
You should do it on a guest level. The main reason for this is that your storage will often not be on the host but on an external storage appliance. Also the flexibility of virualization is is that yo …
answered Jun 23 '13 by Lucas Kauffman
It would be quite useless to install them at the same time because they will interfere with eachother. Most of the firewall and AV software have components you can't always shut off. It is better to …
answered Jan 20 '12 by Lucas Kauffman
While I haven't got any data to support, a big problem with Virtualization is that the I/O performance tends to drop dramatically. Now encryption can have a small impact on cpu usage, but definitely …
answered Jun 24 '13 by Lucas Kauffman
Just a quick hint, you can always use a hardware machine and make a binary copy of the hard drive. Both copies will need to be compared. You can do this by running a checksum. Just be sure nothing is …
answered Jul 23 '12 by Lucas Kauffman
Regardless of what virtualization technology you use. Once the attacker has access to the hardware, it's game over. In case of a VPS, even when encrypting the root partition, if the key is stored in … machine if the machine is running. For openVZ, considering it's kernel virtualization (administrator will have access to the kernel, you can't protect that it's how it works), it will be a lot less difficult than with KVM or Xen (which is hardware or paravirtualization). …
answered Jul 28 '14 by Lucas Kauffman