Saw this super interesting post on the Cloudflare blog
Exam-ining recent Internet shutdowns in Syria, Iraq, and Algeria
Similar to actions taken over the last several years, governments in Syria, Iraq, and Algeria have again disrupted Internet connectivity nationwide in an attempt to prevent cheating on exams. We investigate how these disruptions were implemented, and their impact
blog.cloudflare.com
I've always been fascinating by DNS and global connectivity. This write-up talks through traffic patterns, DNS behavior, and network data to describe how these states are impacting their own internet to try and fight cheating on exams.
Top comments (1)
DNS is at the heart of it. The very basic explanation would be something like that:
But this really good report by Cloudflare shows you it's a bit more complicated, especially the difference between TCP and UDP.
Technically speaking, it's pretty cool, but I'm afraid this is not a good sign at all. Such radical approach (vs. slightly more nuanced approaches explained in the post) could be used for less acceptable motives than anti-cheat.