Re: ipv6
Olaf van der Spek <[email protected]>
| Newsgroups | gmane.network.bit-torrent.general |
|---|---|
| Message-ID | <[email protected]> |
Martin Burggraf wrote:
> John Hoffman schrieb:
>
>
>>Without the tracker's verifying the source IP, or at least checking the
>>IP for an active BitTorrent client, it would be possible for an attacker
>>to insert an IP into very active torrents, causing a DDoS situation.
>
>
> How active should this swarm be?
> If a client tries to connect and doesn't get a response, it should delete the
> IP from it's internal list, so an IP without success is only tried once per
> client.
> Some of the most active torrents I've seen so far had about only 10000 peers,
> and usually not all peers try to connect at once. So there are _at_most_ 10000
> connections in about half an hour (until the tracker deletes the IP from it's
> list because there is no update). I don't think this is enough for a DDoS.
Why would the 'attacker' restrict himself to a single torrent (or a
single tracker) or only one 'announce'?
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