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Yes, but the article states that some torrent software actually appends your IP address information to the packets themselves, so even if they emerge from an exit node on the other side of the world, entirely anonymized, simple packet inspection can determine their origin.

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How does the software append your IP address if it doesn't know it? It can't get it from your router via UPNP, because that traffic is blocked. If it tries to get it by connecting to some online service and asking the IP, the IP it gets back is the Exit nodes.

It doesn't know it's IP address, so it can't leak it.

Hrm, I see what you're saying - that is an interesting question. I'm not actually sure of the answer.

The answer is, it doesn't. This is why it is completely anonymous to use Tor with Bittorrent, but only if you use a transparent proxy configuration.

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