Re: [tdf-mirrors] prevent mirror from being added as webseed in torrents

Hi,

Am 02.04.2011 um 00:13 schrieb Christian Lohmaier:
> There has been complaints about misbehaving torrent clients (namely
> Transmission) who kind of "abuse" the webseeds.
>
> Instead of only using webseeds when no other peers are available,
> those clients always also query the webseeds. And worse: Instead of
> requesting few big chunks, Transmission requests individual blocks as
> it would be a bittorrent peer. I.e. it will download many 16kb chunks.
>
> A torrent is split into pieces (each piece has its own checksum), and
> each piece is transferred as multiple blocks, typically 16kb in size.

I see. 

Maybe it could be useful to report this as a bug to Transmission development (which looks like an 
open source project, at first glance). The behaviour should be improved, I guess.

> So what is needed is a way to configure mirrors to be excluded from
> being added to the url-list. Or when that is too much effort disabling
> of the webseeds altogether.

Particular mirrors? Which ones do you think should be excluded?

I don't see many requests for torrents made by Transmission clients on our server: only about 5 per 
day. Maybe it's not that serious? Who disliked this behaviour?

Transmission clients seem to identify by their HTTP user agent header, so yes, in the end it should 
be practical to return webseed-free torrents to them.

Peter
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