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There isn't really such category as a tor 'enter' node. Any node can be the first node of the chain, but it has no idea whether it is the first or one in the mi
by stephen_g 13y ago
There isn't really such category as a tor 'enter' node. Any node can be the first node of the chain, but it has no idea whether it is the first or one in the middle of the chain. Essentially, it's as if the 'entrance node' is running on your computer.
That means that no node knows the source of the traffic, and only the exit node knows the destination.
For the NSA to effectively monitor Tor, they'd need to run a large proportion of the nodes - one paper thought it would require an attacker to run at least one third of the network.
- theboss 13y agoYes but one third is doable for a perfect attacker with 'unlimited resources'. It would be really interesting to determine how much this would cost
- deadairspace 13y agoDo you have a link to said paper by any chance?
- dweinus 13y agoIf the NSA has the logs of ISPs that carry one third of the world's traffic, couldn't they execute the attack without running any Tor nodes? Or am I misunderstanding the onion protocol?
- deleted 13y ago[deleted]