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Russia starts blocking VPN at the protocol (WireGuard, OpenVPN) level(vpncentral.com)

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binom@lemmy.world
6 points

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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noride@lemm.ee
2 points

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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binom@lemmy.world
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thank you! so it is basically looking at identifiable patterns in the packet flow and matching them to protocols. i also found this paper about traffic identification interesting.

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Meldroc@lemmy.world
2 points

Time to up the spoofing game. Maybe some AI-generated traffic to throw off the packet analytics.

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