On Thu, Aug 22, 2013 at 11:08 PM, Jeroen Demeyer <jdeme...@cage.ugent.be> wrote:
> On 2013-08-22 18:32, William Stein wrote:
>>
>>    (1)  uses a random url
>>
>> token when popping up the browser (to avoid needing the password).
>>
>>    (2) by default only opens a server on localhost,
>
>
> This could easily be implemented for the Sage cell server, right? What I
> meant to say was: there is no fundamental reason why it cannot be at least
> as secure as the Sage notebook.

I don't know how to answer this question. I think it's just a matter
of definitions.
Right now it is part of the definition of the sage cell server that it
lets people do computations without any need for login or or
authentication -- Jason Grout in his last talk about the cell server
cites a top motivation for creating the Sage cell server to minimize
the number of steps to "compute something".  Requiring accounts
increases the steps.

One could of course create something that provides computation of a
"single cell" that has proper authentication.   I can't see any reason
not to encourage that too, but it's up to Jason.

William




-- 
William Stein
Professor of Mathematics
University of Washington
http://wstein.org

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