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Comment Re:XSS (Score 1) 232

The lock.gif image will still exist on the server whether you're logged in or not.

It's not about whether or not the image (or any other element, it doesn't have to be an image) exists, but rather if the request for it will be honoured by the bank server.

This scheme works for any request that is answered only when the user is logged in.

Comment Re:Nice start... (Score 1) 305

Parent posted said that 386 offered some new feature that enabled preemptive multitasking. Ie. that it was not possible in earlier CPUs.

I read that, and I wondered which feature that might have been.
It was possible on earlier CPUs: a long time ago I wrote a tiny preemptive multitasking kernel on a 8086 as an exercise.
Preemption of the running task and switching to (dispatching) another one was done in an interrupt service routine, triggered by a timer.

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