Take this with a big grain of salt because I can't(I don't save a lot of messages from him) and I won't provide sources but around 2008 when I was pretty active on IRC I made a Iranian friend there but yeah, most of the internet nowadays is blocked, the internet there is nowadays more a whitelist than blacklist as they block even small sites but according to him, most people(at least around him) wants a regime change and hates the Theocratic government but because they arrest, kill protesters and their families, most of them fears to say anything