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Intermittent seeding: Does IPv6 using 6to4, 6in4 or 6rd via a tunnel broker help? (feddit.de)

submitted 9 months ago* (last edited 9 months ago) by [email protected] to c/[email protected]

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The problem: My download is fine but seeding is very slow and intermittent even for popular torrents. I think this could be improved using IPv6 via 6to4. 6in4 or 6rd, all of which are supported by my router, to discover more peers.

My ISP allowed me to forward the port so I am discoverable via IPv4, but doesn't support IPv6 and I understand the aforementioned technologies as a way to connect to a tunnel broker, which would forward my packets to the IPv6 internet.

However, they are another entity that can monitor my internet activity. Are there any, preferrably free, 6in4/6to4/6rd tunnel providers that are known to be torrent-friendly? Are there any firewall rules I should set up for my security, like only allowing IPv6 traffic to the qBittorrent port? My ISP doesn't care about torrenting so I haven't been using any kind of VPN. Should I?

Oddly enough, I have no problems seeding on a specifically Central European torrent tracker, which usually maxes out my measly 2 Mb/s DSL upload, but the dozens of peers at international trackers, some of which must be in Europe, barely leech data from me. Am I presumed to be slow because of a slow ping from the presumably American server, or is my disqualification from IPv6 so impactful? I find it strange as I can download from 20+ peers simultaneously and top out my 20 Mb/s plan.

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[–] [email protected] 7 points 9 months ago* (last edited 9 months ago) (11 children)

I tried a public tunnel broker and it immediately makes everything super slow. All the connections that grabbed the IPv6 connectivity went from my theoretical 300MBit/s to like 10-20 MBit/s.

[–] [email protected] 0 points 9 months ago* (last edited 9 months ago) (9 children)

Please don't say “MBit”, it makes my eyes hurt.

My internet plan tops out at 2 Mb/s upload so that wouldn't nearly fill such a public tunnel broker's bandwidth, and I would be glad for even half that, but right now I seed 500 GB of reasonably popular movie packs and the long-term average upload is a few kilobits per second, not worth spinning up the 10W HDD motor for. Yes, I expect some overhead with tunneling but not three orders of magnitude, and I need at least 100 kb/s to get a good ratio on those movie packs.

[–] [email protected] 3 points 9 months ago (1 children)

Fair enough. I need someone to provide me with a way on how to remember which one was capitalized and which one small.

[–] [email protected] 8 points 9 months ago* (last edited 9 months ago) (1 children)

Byte is the 8x bigger one – longer word – capital B (but the word, unless shortened, is "byte", not "Byte"),
bit is the 8x smaller one – shorter word – lowercase b.
There is a roughly 0.8% difference per order of magnitude between 1024-based binary prefixes (ki=kibi, Mi=mebi, Gi=gibi, often incorrectly written as k, M, G) and 1000-based metric prefixes (k=kilo, M=mega, G=giga) but these ballpark numbers are not affected.

Anyway, do you think it's worth trying in terms of security against threats and law enforcement, or should I use a VPN on top?

[–] [email protected] 1 points 9 months ago* (last edited 9 months ago)

Thank you very much, I'll try to re-wire my synapses.

Concerning the privacy aspect: I'm really no expert on that. I believe a VPN either provides you with IPv6 and is the solution to both of your problems, or you're circumventing it and making it less secure by introducing a side-channel. I wouldn't do both.

If you want to protect from law-enforcement you have to read the exact terms of your VPN or tunnel broker. There are companies who keep logs and some who don't, some cooperate with lawful interception of your country. I don't know which one to choose. I suppose it's the same with tunnel brokers. And for security: I don't think a VPN or IPv6 tunnel does much for that.

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