[A010]

> It's useful to avoid Internet restrictions

It's used to bypass DPI where known VPN softwares are already filtered.

[eps]

How many providers have DPI filtering for select apps on unauthenticated connections? Exactly zero.

[A010]

I don't know. But where I'm working, I have to register my company's VPN traffic (DST IP addr) to pass their (state owned company) filter. Edit: Not in China.