This is slightly off topic, but beyond the protests, there may be other reasons the powers-that-be are trying to control the information space. Khamenei may be dead or dying. Changes of leader in these sort of regimes are always a fraught time at best.
https://www.understandingwar.org/backgrounder/iran-crisis-up...
https://www.understandingwar.org/backgrounder/iran-crisis-up...