this post was submitted on 21 Apr 2025
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Selfhosted

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Like, from inside China to the outside, but a bilateral solution would be fine with me, too.

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[–] Shimitar@downonthestreet.eu 17 points 3 days ago (6 children)

It will work for a bit, then they will detect VPN traffic and just block the destination ip for good. Any ip you will use will be shortly unreachable for you, so be prepared to that.

[–] Ulrich@feddit.org 1 points 2 days ago (5 children)

How will they detect "VPN traffic"?

[–] Shimitar@downonthestreet.eu 3 points 2 days ago (3 children)

Deep level packet inspection, they detect patterns or whatever in encrypted traffic (and the lack of thereof) and ban the destination ip china-wide.

How they do I have no idea, but they do, on my direct first hand experience. Its not based on domain names, directly straight and total ip ban. All ports, all domains on that ip get banned forever just because you started using a VPN (OpenVPN in my case, it was a few years ago).

[–] fishynoob@infosec.pub 1 points 1 day ago (1 children)

You need something like stunnel/OpenVPN flag which masks your traffic as HTTPS I think. Even then DPI can probably detect it

[–] rumba@lemmy.zip 1 points 1 day ago

They're looking for traffic patterns. It doesn't matter what encryption you're using, If it's point to point, they're going to find it and disable it.

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