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Comment by stordoff | Hacker News Reader

Depends on the method used. Virgin Media in the UK intercept HTTP requests (and send resets to HTTPS connections), so even tunneling my DNS traffic over a VPN doesn't help.

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For dns blocks, DNS over HTTPS should work Firefox supports it, or you could run a local DNS resolver, or use host file for domains that you use and are blocked.

Also I am not even sure it is possible to intercept any traffic over VPN without having the keys, so not sure why tunneling over VPN is a problem , DPI and MITM techniques are not even used by the Chinese government for the most part and people can generally VPN out if they want to.

For clarity, the HTTPS were in the clear. Only DNS traffic was over the VPN, to ensure I got an untampered DNS result (and I later verified that hosts files do not help either). You can obviously VPN out, I was just curious how the system was implemented (as the typical advice of change your DNS provider does not help).

OpenVPN runs on HTTPS port, and I suppose it's hard to block without DPI. If the VPN runs on a known port like various other VPN protocols do, it should be trivial to block those connections.

Is Virgin blocking SciHub in the UK? I'm on a Virgin connection, and can use it. Or that technique is just in general for sites that Virgin is blocking? (I wonder if there's a list)

As far as I can tell, SciHub is not blocked, but try something like yts.am

Over HTTP, you get redirected to http://assets.virginmedia.com/site-blocked.html Over HTTPS, you get ERR_CONNECTION_RESET (Chrome)

https://www.blocked.org.uk/ has a list

If you already have a VPN, why not just use it for the entirety of your traffic?

It was more experimental than anything - I don't particularly want all of my traffic in a VPN. I just temporarily forwarded my DNS resolver box over the VPN.

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