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Jimbob - 04 Jun 2008 16:07 GMT

Valve announces a concept where your saved games and keyboard layouts
are saved online, interesting idea:

http://www.rockpapershotgun.com/?p=1835

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Colin Wilson - 04 Jun 2008 18:19 GMT

> Valve announces a concept where your saved games and keyboard layouts
> are saved online, interesting idea:
> http://www.rockpapershotgun.com/?p=1835

I've got an easier one for them to implement - store the MAC of the
network adaptor last used to connect to them, and bypass verification
if the same one appears the next time.

Reason:

I use linux on the same physical hardware that I use windows on, and I
have to re-enter my password because of "your account was used on a
different computer" prompt.

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Peter [AGHL] - 04 Jun 2008 21:51 GMT

"Colin Wilson" skrev

> I've got an easier one for them to implement - store the MAC of the
> network adaptor last used to connect to them, and bypass verification
> if the same one appears the next time.

Probably easy to do
But I can think of quite a few reason why the concept is doomed beforehand

1) Mac address is very very easy to spoof

- Peter

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Colin Wilson - 04 Jun 2008 23:04 GMT

> 1) Mac address is very very easy to spoof

That might be the case, but if an account is already in use, it should
already be bouncing the login.

If it isn't in use, and the MAC is the same, what's the problem ?

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Ben Cottrell - 05 Jun 2008 01:31 GMT

>>1) Mac address is very very easy to spoof

2) MAC Addresses are physical hardware addresses, which are not
transmitted with TCP or UDP packets, so the information is lost anyway
(Unless the information is captured elsewhere and encapsulated into the
packet by the application)

> That might be the case, but if an account is already in use, it should
> already be bouncing the login.
>
> If it isn't in use, and the MAC is the same, what's the problem ?

How would that help though? if a MAC address can be spoofed, and a
hacker has managed to obtain your username and password, they've
probably got a whole bunch of other data about your computer too. MAC
addresses were never intended to be used for security (At least not
outside of LANs anyway).

Signature

Ben Cottrell

"Speedy thing goes in, speedy thing comes out"

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Colin Wilson - 05 Jun 2008 23:31 GMT

> How would that help though? if a MAC address can be spoofed, and a
> hacker has managed to obtain your username and password, they've
> probably got a whole bunch of other data about your computer too. MAC
> addresses were never intended to be used for security (At least not
> outside of LANs anyway).

Who knows, I just find it a pain in the a.s, when i'm using the same
damn hardware...

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Man-wai Chang ToDie (33.6k) - 05 Jun 2008 05:17 GMT

> Valve announces a concept where your saved games and keyboard layouts
> are saved online, interesting idea:

What would happen if there is a network fail? Could we play
off-line? And when the line comes back, synchronize with
the savegame website?

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