| > How is traffic controlled inside PRC? Unknown. I haven't seen any injected fake DNS or reset packets so far to domestic hosts. But there are rumors that Google's servers in Beijing (AS24424) was once black holed. > Is GFW a central hub for all traffic between all hosts? It's supposed to has centralized management system, but not a single hub. > Or between residential ASNs and commercial ones only? Yes, the injecting devices are deployed in IXPs, the AS borders. See <Internet censorship in China: Where does the filtering occur?>. > In the UK and Iran a lot of censorship was implemented by leaning on ISPs at IP level (eg BT Cleanfeed) and with DNS blocks but I haven’t kept up to date with how networks might handle residential hosting. I believe Iran has more centralized system like China controlled by Tehran. > Maybe internal traffic is just all banned? No, internal HTTPS traffic is not banned in that hour. |