Originally Posted by Alexander Turcic
You can always have it "remember" you, in which case the forum uses non-expiring cookies. The reason for a 900 seconds time-out is to reduce the risk if someone forgets to log out when borrowing someone else's computer.
As I mentioned earlier I do not like the remember option either. And back in school it wouldn't be 15 seconds before some had done something stupid if I had left the computer unlocked, so 900 is plenty...
So in my opinion 15 minutes is just plain wrong and a few hours would be the correct choice.