Thanks for your answer,but I am not very clear about the  severity of
consequence if no login ticket.Can give me a example?
Thanks again!

Best regards

On Sat, Mar 10, 2012 at 5:57 PM, jleleu <[email protected]> wrote:

> Hi,
>
> I agree with you : https should prevent replay attacks but I'm not sure
> that all browsers (and particularly old browsers) handle this in a correct
> way. I wouldn't be surprised to find a browser or a certain use case which,
> after explicit login and logout, proposes me to "repost my form" (my
> credentials !) if I go back in history.
> Adding a login ticket to the login phase forces the user to log within a
> certain delay and after browsing a valid login page. I think it boosts
> security in many cases, not only to prevent replay attacks.
>
> Best regards,
> Jérôme
>
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