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by cmircea 4712 days ago
They CANNOT use HTTP filtering as that would break on HTTPS.
2 comments

Nope, the domain is always visible on HTTPS, due to SNI. They can just block it.
Older Win XP machines doesn't support SNI, so you could get around it with an older machine. Of cause that's a problem that will go away over time.
To connect to an HTTPS site without SNI, the IP can only host a single domain, so they can just block the whole (IP:443) combination without affecting any other site.
What if the IP is dynamic? Say an Azure Cloud Service.
I think the problem is that you'd need a different X.509 certificate for TLS, for each and every single IP.
The certificate is issued for the domain, not the IP.
I think Cleanfeed didn't block HTTPS. When have you ever heard of a public, governmental programme that didn't have a stupid flaw? :P