Simon Hobson <[EMAIL PROTECTED]> wrote:
| mess-mate wrote:
| 
| >i wonder if there is any need to install shorewall on a machine
| >located in the dmz zone of shorewaal. ( 3 interfaces example)
| 
| Personally I automatically install Shorewall on each system I set up 
| - it just doesn't take long to set up and it's an extra level of 
| protection. Our main firewall isn't a linux box, and the same applies 
| to most of our clients, so that makes two different layers of 
| protection.
| 
| Don't forget that someone may compromise your main firewall*, you may 
| accidentally allow more traffic than you planned, you may have 
| someone inside the network 'have a go', someone may compromise 
| another server in the DMZ and use that as a base for a further 
| advance, ...
| 
| Point is, ideally every system should have it's own security that can 
| stand alone as far as is practical. Then you can have security at the 
| perimeter of the network. There is a school of thought that says 
| these two layers should be different so if there is a flaw or 
| compromise in one then the other will still hold. It's a bit like 
| having a gate at the end of the drive AND a lock on the garage door 
| AND locking the car when it's in the garage - how many people do you 
| know that never lock the car doors when it's in the garage ?
| 
| * You DO have different passwords on different systems don't you ?
| 
| -------------------------------------------------------------------------
Thanks to all for your advice.

And i'll install shorewall on ALL machines.
best regards
mess-mate                               
-- 

You could live a better life, if you had a better mind and a better body.


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