[opensource-dev] Third party viewer policy

Tateru Nino tateru.nino at gmail.com
Thu Feb 25 09:35:04 PST 2010

If I was running on the equipment provided by my ISP, rather than
assembling my own kit, I wouldn't have a MAC address either.

On 26/02/2010 4:31 AM, Argent wrote:
> Sorry for not editing this in detail, Opera is SLOW as hell in a
> thread this long in gmail.
> I understand why they're asking for a MAC address. I'm pointing out
> that a viewer may be running on a device that HAS NO MAC ADDRESS.
> On Wed, Feb 24, 2010 at 8:28 AM, Scott McCulley <smcculley at gmail.com
> <mailto:smcculley at gmail.com>> wrote:
>     Argent,
>     >From a network standpoint, the mac address is a layer two address
>     that is not seen when crossing a router to a new network. So,
>     therer is no way to see your mac address from the network packets.
>     LL is using the mac address as a unique identifier of your
>     computer. When you use the SL viewer, it can read your mac address
>     locally, then send it along to LL to be used to identify you on
>     the grid. So if you have multiple accounts that you use from the
>     same computer, they know it is you, no matter what your IP
>     address, proxy server, or other network layer protection is used.
>     In the case of known griefers, LL could simply disable access from
>     that mac address that is reported by the viewer, and the person
>     cannot get back in to the grid, regardless of IP or SL account.
>     The only way is to use a completely new computer with a different
>     mac address.
>     That being said, if the developers mask the ability to read and
>     report the mac address to the LL grid, they lose the abilit to
>     block the bad guys.
>     -Scott
>     Sent from my iPhone
>     On Feb 24, 2010, at 5:49 AM, Argent Stonecutter
>     <secret.argent at gmail.com <mailto:secret.argent at gmail.com>> wrote:
>         Admittedly this is not likely to be a common scenario, but the
>         whole
>         idea that a MAC address is a unique identifier for a device is
>         based
>         on a deep-seated confusion about the network stack.
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Tateru Nino
Contributing Editor http://massively.com/

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