On my university’s website, there is a post login security check from Duo Security that just loads an iFrame once you enter your password, does whatever the hell it does, and apparently verifies that your login is legit (somehow).

But it only works when I’m on the current tab. If I log in and then switch to a different tab, it does nothing. If you switch back after a little bit, it will continue doing its thing as soon as you do, but wait too long and the session expires and you have to enter your credentials again.

Is it using some JS API to know whether I’m on its tab or not, or is it doing something even weirder? Is it possible to make Firefox report to every open page that I’m always on its tab, even when I’m not?

  • Sr Estegosaurio@lemmy.ml
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    3 years ago

    But with uBlock Origin you coul fine tune whichs parts of JS do you want to block on a site basis. It’s pretty easy and imho one of the best extensions out there.