Whose, and which, rights do you want to restrict?
None, according to the Constitution. It’s that simple. And once a felon, when he/she didn’t give a ratsa$$ about YOUR rights, gets their rights in court, has received his rights and is now sentenced, then I.DON’T. CARE. As long as he/she is fed 3 times a day and gets to sleep on a cot I’m good. NO right to cable TV, NO right to cell phones, NO right to socialize with his peers, and NO right to fight with the guards.