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Personnal IP broacasting to tracker by Utorrent: VERY concerned


Ramon Zarat

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Hi.

According this this blog:

https://blog.torproject.org/blog/bittorrent-over-tor-isnt-good-idea

Utorrent is:

"...in some cases uTorrent ... simply write your IP address directly into the information they send to the tracker and/or to other peers."

Please, tell me that's not true. And confirm it is not true in all and every scenarios. Meaning, uTorrent, DO NOT, under ANY circumstance, write my IP address directly into the information they send to the tracker and/or to other peers.

You do realize the potential privacy and security breach if the server onto which the tracker is hosted is busted?

Ramon

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Ok.... I've read the entire post. No real, systematic, factual, direct answer to my question in there. My "interpretation" is Utorrent DOES write my IP address directly into the information they send to the tracker. As for the other peer, I still have no clue.

So by the reference you provided, I have 1 guess and 1 no clue. Let's try this gain, shall we? I will simplify the task by asking 2 closed questions. Those are questions that can only answered by "Yes" or "No"... That either 4 characters at minimum (No and No) or 6 characters at most (Yes and Yes). 6 characters should be quicker than typing a reference link...

Q1- Does Utorrent write my IP address directly into the information they send to the tracker?

Q2- Does Utorrent write my IP address directly into the information they send to the peers?

The thing is, I need yo understand WHY the writer of https://blog.torproject.org/blog/bittorrent-over-tor-isnt-good-idea mention only 3 torrent clients that do that. That imply that some other client DON'T do that. That also imply that it is NOT necessary to be done that way. But "imply" doesn't mean truth...

Q3: If either Q1 or Q2 answer is YES, Is it necessary, in order for Utorent to work properly (yes or no), to write my IP address directly into the information they send to the tracker and/or peer?

If you could simply answer all 3 questions by yes or no, I would be very grateful and will consider this matter closed.

Best regards,

Ramon

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My "interpretation" is Utorrent DOES write my IP address directly into the information they send to the tracker.

Does your "interpretation include a wireshark capture of the announce attempt or not?

And again, we don't support, endorse, or recommend the use of uTorrent with tor anyway, so why does it matter?

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uh, you know that when you connect to any site (including this one) with any application (such as your browser), they get your IP, right? This includes trackers.

µt does give your IP out through DHT, peer exchange and if you make use the report IP to tracker option, though. But so do pretty much all other BT clients. You need IPs for everything to work.

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Q1- Does Utorrent write my IP address directly into the information they send to the tracker?

No unless:

A) You have a IPv6 address. µTorrent will send it to the tracker.

B) If you filled in Options => Preferences => BitTorrent => "IP/Hostname to report to tracker" it will be send.

BitTorrent is a peer-to-peer protocol. This means that you need to connect to other peers and other peers to you so that you can send data to each other. This is done (for example) by giving your IP to the tracker when you announce. This way the tracker can give your IP to other peers when they ask the tracker for new people to connect to on that torrent. It's essential to the workings of BitTorrent.

Attempts at hiding your IP will either fail or make you inconnectible. Two inconnectible people can not connect to each other and thus not exchange data. If everybody would hide their IP successfully BitTorrent would stop working because no peers would be able to connect to each other!

Also µTorrent does NOT support Tor. And more importantly Tor does NOT support BitTorrent. Users forcing BitTorrent data through the Tor network is one of the reasons why the network is slow:

https://blog.torproject.org/blog/why-tor-is-slow

http://en.wikipedia.org/wiki/Tor_%28anonymity_network%29#Etiquette

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