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From: Jeff Garzik <jgarzik@exmulti.com>
To: Peter Todd <pete@petertodd.org>
Cc: Bitcoin Dev <bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] Discovery/addr packets (was: Service bits for pruned nodes)
Date: Mon, 6 May 2013 12:20:12 -0400	[thread overview]
Message-ID: <CA+8xBpfdY7GsQiyrHuOG-MqXon0RGShpg2Yv-KeAXQ-503kAsA@mail.gmail.com> (raw)
In-Reply-To: <20130506161216.GA5193@petertodd.org>

On Mon, May 6, 2013 at 12:12 PM, Peter Todd <pete@petertodd.org> wrote:
> I've noticed on my Android phone how it often takes quite awhile to find
> a peer that will actually accept an incoming connection, which isn't
> surprising really: why should a regular node care about responding to
> SPV nodes quickly?
>
> For fast startup you would be better served with dedicated nodes that
> are backed by fast hardware and high bandwidth internet connections.
> You can discourage non-SPV use by refusing to relay full blocks.
>
> You can have trusted individuals vouch for these special servers with
> SSL certificates so you run less of a risk of connecting to a malicious
> one trying to limit what information you see. For the initial
> implementation, maybe just make a quick SSL accessible service with HTTP
> GET so you don't have to integrate SSL into the network protocol and
> have a couple of these HTTP GETable servers running. (IE, the trust is
> actually that the SPV seed is honest)
>
> Security will be no worse than before - if any one server/seed is honest
> you're ok - and hopefully better due to the accountability. Obviously

Indeed, the DNS seeds are just servers run by trusted individuals anyway.

In either case, bitcoinj definitely wants fixing for its over-reliance
on DNS seeds.  This has been noted as a problem for a while.

-- 
Jeff Garzik
exMULTI, Inc.
jgarzik@exmulti.com



  reply	other threads:[~2013-05-06 16:20 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-06 14:58 [Bitcoin-development] Discovery/addr packets (was: Service bits for pruned nodes) Mike Hearn
2013-05-06 16:12 ` Peter Todd
2013-05-06 16:20   ` Jeff Garzik [this message]
2013-05-06 16:34     ` Mike Hearn
2013-05-06 16:37     ` Peter Todd
2013-05-06 16:47       ` Mike Hearn
2013-05-06 17:19         ` Peter Todd
2013-05-06 17:25           ` Jeff Garzik
2013-05-06 17:42           ` Gregory Maxwell
2013-05-06 17:53             ` Peter Todd
2013-05-06 18:01               ` Gregory Maxwell
2013-05-06 18:19                 ` Peter Todd
2013-05-06 18:32                 ` Adam Back
2013-05-06 19:08                   ` Peter Todd
2013-05-06 19:50                     ` Adam Back
2013-05-06 20:43                       ` Peter Todd
2013-05-06 23:44                         ` Peter Todd
2013-05-07  9:00           ` Mike Hearn
2013-05-09  0:57             ` John Dillon
2013-05-06 18:04         ` Adam Back
2013-05-06 18:25           ` Gregory Maxwell
2013-05-06 22:51             ` [Bitcoin-development] limits of network hacking/netsplits (was: Discovery/addr packets) Adam Back
2013-05-06 23:13               ` Gregory Maxwell
2013-05-07  4:48                 ` Petr Praus
2013-05-07 21:07                   ` Matt Corallo
2013-05-07  9:17                 ` Mike Hearn
2013-05-07 11:07                   ` Adam Back
2013-05-07 12:04                     ` Mike Hearn

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