Re: authenticating users between websites


On 25 Jan 2005 at 11:43, Ulf Zimmermann wrote:

> On Tue, Jan 25, 2005 at 02:40:42PM -0500, Dan Langille wrote:
> > I'm getting this request often and I'm not sure how to solve it.  A
> > client will have two websites and wants users to be able to browse
> > freely between the websites after having logged into the primary
> > website.
> > 
> > For example, I browse to a.example.org, log in, and continue 
> > browsing.  Then I browse over to b.example.org.... How can I be
> > automagically be authenticated on that other website?
> > 
> > cheers
> > -- 
> > Dan Langille : http://www.langille.org/
> > BSDCan - The Technical BSD Conference - http://www.bsdcan.org/
> 
> If both sites are part of the same, you can set a cookie based on the
> domain. That is how sites usual do it. If you are concerned about
> someone modifying the cookie local on the client side, keep also some
> information about the cookie in a database which can be accessed by
> both sites.

Unfortunately, I've just been informed: the two websites won't even 
be in the same domain.  This complicates matters.  :)
-- 
Dan Langille : http://www.langille.org/
BSDCan - The Technical BSD Conference - http://www.bsdcan.org/

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