Rasmus Lerdorf wrote:
> 
> > Any propagation, doesn't matter.
> > The passed id must exist, otherwise discarded and regenerated.
> > I saw that php already creates the session at the start.
> >
> > The possibility to count on a stable name, because recreable anytime
> > and though surviving gc, is a great weaknes for that tipe of snoop.
> > php has to have the nicely dedicated devices to generate the id.
> 
> And it does.  The session ids are not predictable, especially if you set
> the entropy source to something like /dev/urandom in php.ini
> 
> -Rasmus

Sorry, but I feel like speaking with HAL..

The unpredictable choice has to be made by a dedicated device except whenever 
any user decides to create  his favourite one?

I mean by appending ?PHPSESSID=foo that is what happens. 
User choice is ginven priority over that dedicated device.
User can force php to create and recreate anytime any known id of his choice.


Gian 

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