Reminder: seeders, please seed on I2P
https://infosec.pub/post/17541103
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https://geti2p.net/en/ looks like Tor. but it is not the same?
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similar yes but not the same. tor held together by volunteer that run nodes, i2p everyone is a node. tor good for clearnet things, i2p good for in-network things. torrenting in i2p is good for i2p, not tor. torrenting in i2p stays in the i2p network, doesn’t go through exit nodes. there’s only about 3 of those. it’s torrenting as a darknet hidden service.
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I tried to find the answer to this in i2p docs, maybe you would know more
As I understand, i2p traffic still needs to send packets over TCP/IP, so what stops the nodes you communicate with from knowing your IP? Its the only thing that makes me cagey about it since other p2p services like local game servers require sharing your IP to work. Hoping to get back into torrenting, thanks!
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Here’s the scary sounding part that can be counterintuitive. The routers you’re communicating with do know your ip, since they have to like you mentioned. Your ip address is also in i2p’s DHT as a “router info” which functions as a network addressbook for routers and services so things can be found without needing a centralized lookup service. Again, because for the network to work, routers need to be able to find eachother, or they can’t communicate.
But, routers function on a need to know basis. i2p uses separate up and down links for each tunnel, and your side of the tunnel by default has 3 hops. other side usually also has 3 hops. typical unidirectional tunnel looks like this with total of 7 hops:
A-x-x-x=x-x-x-B
None of the chains in the link know what position they’re in (except for the endpoints). They also don’t know how long the whole tunnel is, since the sender and receiver only know their parts of the tunnel. On the dht side, by design no single router has a whole view of the network, but there isn’t a whole lot of information you get from that other than knowing that person at stated ip address uses i2p, which your isp would be able to tell for example anyway just like using tor or a vpn.
The way i made sense of it was like you have an envelope that is inside several other envelopes, with each envelope representing a layer of encryption. You get an envelope from kevin, so you know kevin. You open the envelope and see another envelope addressed to george, you give the envelope to him. So you know kevin and george. But the rest is unknown to you. You don’t know who the true originator of the envelope is or where the message is ultimately going.
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So ip is only visible to the first/last hop, and they wouldnt know where youre going. That helps, thanks!
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