Livejournal valid_to?

Carl Howells chowells at
Mon Jun 27 16:48:24 PDT 2005

Brad Fitzpatrick wrote:
> I still don't see the problem with a 60 second valid_to -- the user-agent
> should have plenty of time to be redirected with that limit.  But 15
> minutes is also fine by me.

I think we're interpreting the meaning of the valid_to field 
differently.  You seem to be interpreting it as the amount of time the 
user has to finish logging in on the consumer site.  With that 
interpretation, one minute is probably fine.

I've been interpreting it as the maximum amount of time the server site 
is allowing the user to stay logged in to the consumer's site.  With 
that interpretation, anything less than an hour seems ridiculous, and 
anything under a day still seems very short-term.

Any thoughts?  And whatever is decided, it's probably a good idea to 
update the spec with clearer wording.


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