[Bitcoin-development] Miners MiTM

Jeff Garzik jgarzik at bitpay.com
Fri Aug 8 18:21:18 UTC 2014

gmaxwell noted on IRC that enabling TLS could be functionally, if not
literally, a DoS on the pool servers.  Hence the thought towards a
more lightweight method that simply prevents client payout redirection
+ server impersonation.

On Fri, Aug 8, 2014 at 5:53 AM, Mike Hearn <mike at plan99.net> wrote:
>> Certificate validation isn't needed unless the attacker can do a direct
>> at connection time, which is a lot harder to maintain than injecting a
>> client.reconnect.
> Surely the TCP connection will be reset once the route reconfiguration is
> completed, either by the MITM server or by the client TCP stack when it
> discovers the server doesn't know about the connection anymore?
> TLS without cert validation defeats the point, you can still be connected to
> a MITM at any point by anyone who can simply interrupt or corrupt the
> stream, forcing a reconnect.
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Jeff Garzik
Bitcoin core developer and open source evangelist
BitPay, Inc.      https://bitpay.com/

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