[wellylug] Router piercing

[Bret Comstock Waldow]

Hi,

I'm just getting started working out how to do this, and wondered if anyone 
had some suggestions what to look at and to ignore.  I'm looking for a 
conceptual fix on the whole business.

The immediate situation is that I and I friend both have broadband connections 
going through Linksys WRT54G NAT routers, with factory firmware.

We would like to establish a connection that allows us to share desktops, use 
voip, share files, without compromising the security of our machines.

In time, I might want to do the same with another friend who connects by modem 
without a router.  Also, in time, there is the possibility of using the same 
approach to work remotely, which is likely to involve contacting a Window$ 
computer on the other end.  These might be different things, and they're not 
so immediate, but if it influences suggestions of what to look into, I figure 
I should mention it up front.

I've noticed 'vnc', 'ssh tunnels', and lots of kernel options with the word 
'tunnel' in them.  Are they all about the same thing?  Are there several 
approaches?  I'm after the 10,000 foot view first, although I'd be happy to 
hear anything you think is useful about the matter.

And I'll start reading now, but time is limited, so any benefit of your 
experience about what to focus on would be appreciated.  I'd be particularly 
interested in thoughts about aftermarket router firmware which might also 
improve wifi security as well.  I'm only using WEP now, and understand I need 
to get WPA working.  What else?

Cheers,
Bret
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