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Qbittorent Anonymous Mode Question (github.com)

submitted 6 months ago by [email protected] to c/[email protected]

9 comments fedilink hide all child comments

Is this mode needed if you're using a VPN to hide your IP address? The page states only the following:

If you're using VPN, proxy or I2P, you probably want to enable Anonymous Mode.

What I would like to know is why the developer statement is true? And does it affect download/seeding speeds?

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[–] [email protected] 21 points 6 months ago (7 children)

The short answer: if you are particularly concerned about anonymity, then yes, enable it AND use a VPN. But be aware some people may consider this leeching, because anonymous mode may compromise your ability to upload (and download) to some extent. But there are some circumstances in which this is entirely justified.

Public tracker scenario

For most people using public trackers, just a VPN without anonymous mode is fine and recommended, and gives you the maximum speeds in this scenario, while giving you an adequate level of protection from your ISP (if configured correctly). If you do enable anonymous mode, then you'll likely find your upload/download speeds are slower, mainly because DHT & uPnP are typically disabled. And anonymous mode without a VPN is NOT recommended.

WARNING: anonymous mode doesn't provide strong privacy guarantees on its own. If you are concerned about legal authorities and copyright trouble, for example, consider using a VPN instead (or in addition to it).

Private tracker scenario

If you are using private trackers then you would usually not be using a VPN or anonymous mode because many of them explicitly ban such things so they can track your download/upload ratios server-side against your IP address to ensure you are following their policies. While some private trackers allow exceptions to this (e.g., you may be able to get a dedicated VPN IP address whitelisted for your account after signup), many don't.

I'm not claiming to be any great expert on this topic, and so this is just my general-level understanding. If anyone wants to contribute any useful expert info or to correct anything I may have wrong here, please feel free to comment.

[–] [email protected] 6 points 6 months ago* (last edited 6 months ago) (1 children)

I'm quoting from https://www.reddit.com/r/Piracy/comments/cpzix0/qbittorrent_anonymous_mode_useful_with_v_p_n/

AtlanticJack Wednesday, August 14, 2019 at 4:11:29 AM EDT who wrote about the topic:

That's not how I understand it. In older versions it does disable LPD DHT etc but in versions since v3.3.0 it disables the client's fingerprint, creates an empty string for the user agent and doesn't expose other identifying information directly yo the public such as IP, port etc.

The LPD DHT etc is now covered in the proxy section by "Disable connections not supported by proxies".

I use anonymous mode and also disable connections not supported by proxies, still seem to get plenty of seeds and peers via DHT and PeX though.

I know that copyright trolls have used modified versions of torrent clients to join swarms and log the participants IP. Well they wouldn't get my IP because I'm using a proxy or vpn but they also wouldn't get any fingerprints or user agent info from my qBittorrent client if I'm using Anonymous Mode.

Xen0Man Tuesday, December 3, 2019 at 6:31:21 PM EST in response to somebody stating VPN is enough:

Mmh not really... Anonymous mode is meant to be used together with VPNs. It blocks libtorrent advertising facts about you. For example, client's fingerprint (in peer ID) or user-agent.

You should never disable anonymous mode, unless you want to connect to some private trackers that uses the peer ID and user agent to identify white-listed clients.

[–] [email protected] 3 points 6 months ago

Okay, that's useful additional info, I figured I was probably a bit out of date on the technical details :p

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