Hello,

I am thinking of using UML to run a website in a virtual machine. The 
idea is that this will provide an extra layer of security. What I'm 
thinking of doing is:

- setting up a partition to use as a UML disk.
- running UML on the host machine.
- running a webserver (probably apache) inside the UML machine.
- then writing a script running on the host machine which monitors the 
UML machine's filesystem and checks for any break-ins. (e.g. with 
chkrootkit, aide etc)

I am hoping that by doing this, it will make any rootkit checking 
program more effective because it will be running one layer above the 
filesystem it is checking.

What I would like to know is firstly is this possible, and secondly if 
you think it's a sensible thing to do - e.g.
- will it make things more secure, or just make things too complex and 
create more security holes?
- whether the performance will be good enough for running a website. 
(It's a low traffic personal site at the moment, but I'm thinking of 
using the same technique on a bigger site, which is why I want to try it 
out.)
- if anyone out there has done anything like this, it would be good to 
hear how it's worked out in practice.

cheers,

andy baxter.


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