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by lauritz
3745 days ago
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Out of sheer curiosity: Does anyone know/suspect if Netflix is actually using techniques in addition to blocking IPs of known proxy/vpn/unblocking services? Because I would imagine that is a bit like fighting a hydra, very labor- and cost-intensive, yet they are getting excellent results (apparently, still, the sample of people who complain and thus get media coverage is pretty biased). Is anyone with a 'homegrown' vpn tunnel experiencing issues? I could also think of a solution involving cookies/fingerprinting that detects if someone's geolocation moves around quicker and more often than is physically possible. I'm sure the technology is under tight wraps, and I'm also sure that other companies will be dying to license this from Netflix if they get it right, even if it's just a lengthy list of IPs (e.g. the BBC for iPlayer). |
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The Netflix team is known for using reproducible automation in all their efforts. They have a significant "big data" team that can use and setup automatic classification using hundreds of available data points to classify users who are violating their ToS versus those who aren't. Netflix doesn't do anything that is labor or cost intensive: they have all of this automated.
Even approaching this from a naive set of data points is cheap: It isn't particularly hard to classify IP addresses between cable modem blocks and those for VPS/VPN providers. Geolocation on a country level is relatively reliable. Also it's pretty easy to detect OpenVPN users on layers 2 and 3.:
https://medium.com/@ValdikSS/detecting-vpn-and-its-configura...