I think a reasonable default would be about 10 or 15 minutes, with a
refresh of the session (moving it back to 0 minutes) every successful
request?

-Kyle H

On Wed, Mar 18, 2009 at 6:56 AM, Joe Orton <j...@manyfish.co.uk> wrote:
> On Tue, Mar 17, 2009 at 10:26:35AM -0700, Robert Relyea wrote:
>> Cert selection for Firefox does need to be improved. On the other hand,
>> I found the larger memory footprint argument someone confusing. At the
>> cost of about 20 bytes per client you would rather chew up CPU and
>> network resources? That seems like a poor tradeoff to me.
>
> The numbers I remember are ~250 bytes per session without a cert, and
> ~1-2K if a client cert is used, which is the case in question.
>
> But the point about trading off against CPU/network resources is a good
> one.  RFC 5246 mentions an "upper limit" of 24 hours for session ID
> lifetime, which implies a maximum rather than a default.  I'll see about
> getting the mod_ssl default bumped to 12 hours and see how that works
> out.  Does that seem reasonable?
>
> regards, Joe
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