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Russia starts blocking VPN at the protocol (WireGuard, OpenVPN) level (vpncentral.com)
submitted 3 years ago by to c/technology@lemmy.world
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[–] 6 points 3 years ago (1 child)

can you maybe link some ressources on how the protocol used can be detected? i did not know about this and would like to read into it some more :)

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  • [–] 2 points 3 years ago (1 child)

    Look up NBAR for the basic idea. Each vendor has their own 'secret sauce' implementation, Palo Alto only needs 9 bytes of payload for disambiguation, iirc.

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