Re: [Bitcoin-development] Miners MiTM

[Jeff Garzik <jgarzik@bitpay.com>]

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You don't necessarily need the heavy weight of SSL.

You only need digitally signed envelopes between miner and pool[1].

[1] Unless the pool is royally stupid and will somehow credit miner B, if
miner B provides to the pool a copy of miner A's work.



On Thu, Aug 7, 2014 at 8:29 PM, slush <slush@centrum.cz> wrote:

> AFAIK the only protection is SSL + certificate validation on client side.
> However certificate revocation and updates in miners are pain in the ass,
> that's why majority of pools (mine including) don't want to play with
> that...
>
> slush
>
>
> On Fri, Aug 8, 2014 at 1:45 AM, Luke Dashjr <luke@dashjr.org> wrote:
>
>> On Thursday, August 07, 2014 11:02:21 PM Pedro Worcel wrote:
>> > Hi there,
>> >
>> > I was wondering if you guys have come across this article:
>> >
>> > http://www.wired.com/2014/08/isp-bitcoin-theft/
>> >
>> > The TL;DR is that somebody is abusing the BGP protocol to be in a
>> position
>> > where they can intercept the miner traffic. The concerning point is that
>> > they seem to be having some degree of success in their endeavour and
>> > earning profits from it.
>> >
>> > I do not understand the impact of this (I don't know much about BGP, the
>> > mining protocol nor anything else, really), but I thought it might be
>> worth
>> > putting it up here.
>>
>> This is old news; both BFGMiner and Eloipool were hardened against it a
>> long
>> time ago (although no Bitcoin pools have deployed it so far). I'm not
>> aware of
>> any actual case of it being used against Bitcoin, though - the target has
>> always been scamcoins.
>>
>>
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>
>
>
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-- 
Jeff Garzik
Bitcoin core developer and open source evangelist
BitPay, Inc.      https://bitpay.com/

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