mobility and firewall

[Lance Lassetter]

On Fri, 2005-06-03 at 19:12 -0400, Dmitriy Kropivnitskiy wrote:
> On Fri, 2005-06-03 at 17:08 -0500, Carl Karsten wrote:
> > Here is what I recommend to everyone, friends and professionals, etc: Only put a 
> > box on the net if you can afford to lose it;  So no primary versions of anything 
> > (.html files, etc..) or if you are accepting submissions, it gets backed up enough 
> > that loosing the box it isn't a problem.
> 
> This is fine for a server in a production system (with some sort of
> redundancy), but not for a personal home system which might not have a
> reliable backup solution and will contain unique files.
> 
> > > and on a mobile system you do
> > > not own the router therefore cannot trust it.
> > 
> > Forgive my ignorance, but in this case, what problem would the firewall solve?  (I 
> > am guessing it is what I listed below, but until that makes it onto 
> > http://udu.wiki.ubuntu.com/Firewalls I don't see it as a problem that needs solving.)
> 
> Very simple. You are on a laptop in an internet cafe. Without a personal
> firewall you are vulnerable to anybody including people at the next
> table. With a personal firewall you have at least some form of
> protection.
> 
> 

And what about this idea:  Yes, you are protected from the nasty
internet behind some type of hardware appliance firewall but you cannot
trust users on the same LAN!

I.e: school networks, internet cafes, to name two.

Lance(stuNNed)