Why not simply use Tor? VPN/SSH leads to website fingerprinting. Even if you're using VPN/SSH, its possible that the govt can figure out you're accessing Twitter.

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What China does with Tor is very clever - they watch for anything that looks like a Tor connection, and try to connect to it themselves. If it responds as a Tor node, they firewall it. This is not ultimately fixable, though various plugabble transports help, as does using bridges rather than direct connections. Brazil could easily copy this. They cant do the same to SSH. Not if they want cross border server administration at all

What do you think about Tors new "WebTunnel"? Seems like a sort of steganographic method for bypassing censorship.

Hiding in plain sight: Introducing WebTunnel | Tor Project

We're celebrating the World Day Against Cyber Censorship by officially announcing WebTunnel, a new type of Tor bridge designed to assist users in h...

I love it, that should make "watching for possible Tor connections" as hard as those bastards deserve. China'll need to throw even more resources at the job. They'll do it, of course. Australia has a very primitive "Great Firewall" thanks to ACMA, but they don't know how to do anything more advanced than DNS poisoning, so Tor mostly "just works" here for me. For now. I have a collection of pluggable transports and a saved list of bridges for when they take it to the next level. And SSH to my offshore shell accounts if they find a way to take it further still...

That is great news. The tor project is the best open source project there I have come across.