FYI
On 2016-10-28 13:00, Alain Bastien alainbastien@...
[firebird-support] wrote:

> One thing is for sure YOU can't login FACEBOOK with two different IDs
> from the SAME PC at the same TIME.

You can, try to use different browsers.

> Or even (correct if I'm wrong) SAME ID on to different PCs

You can, use you PC and tablet and phone, works.

> There should be a UNIQUE field such MAC ADDRESS + IP + ID managed by
> the DATABASE in a TABLE !!!
>
> So there is a TABLE

Not necessary.

Paul