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From: Michael Wozniak <mw@osfda.org>
To: Jeff Garzik <jgarzik@bitpay.com>
Cc: Bitcoin Dev <bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] DNS seeds unstable
Date: Mon, 19 May 2014 20:45:55 -0400	[thread overview]
Message-ID: <21D4D9FD-9919-4157-ADFD-C061518E28DA@osfda.org> (raw)
In-Reply-To: <CAJHLa0O_F3MJc1KJJn+L6AjT-wa8sPunibb4rfWGGUWYSOkVOg@mail.gmail.com>

You would set it up as a forwarder, not as a zone transfer to bind.  That should proxy the request every time and only cache based on any TTL that’s set in the response.

Here’s an example of how it could work:
https://planet.jboss.org/post/setting_up_a_forwarding_dns_server_or_dns_proxy_with_isc_bind


On May 19, 2014, at 7:49 PM, Jeff Garzik <jgarzik@bitpay.com> wrote:

> On Mon, May 19, 2014 at 4:36 PM, Robert McKay <robert@mckay.com> wrote:
>> It should be possible to configure bind as a DNS forwarder.. this can
>> be done in a zone context.. then you can forward the different zones to
>> different dnsseed daemons running on different non-public IPs or two
>> different ports on the same IP (or on one single non-public IP since
>> there's really no reason to expose the dnsseed directly daemon at all).
> 
> Quite the opposite.  dnsseed data rotates through a lot of addresses
> if available.  Using the bind/zone-xfer system would result in fewer
> total addresses going through to the clients, thanks to the addition
> of caching levels that the bind/zone-xfer system brings.
> 
> That said, if the choice is between no-service and bind, bind it is ;p
> 
> -- 
> Jeff Garzik
> Bitcoin core developer and open source evangelist
> BitPay, Inc.      https://bitpay.com/
> 
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  parent reply	other threads:[~2014-05-20  0:44 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-15 11:50 [Bitcoin-development] DNS seeds unstable Andreas Schildbach
2014-05-15 17:17 ` Drak
2014-05-15 17:41 ` Jeff Garzik
2014-05-15 17:48 ` Gregory Maxwell
2014-05-16  9:15   ` Andreas Schildbach
2014-05-16 14:09     ` Mike Hearn
2014-05-15 18:05 ` Luke Dashjr
2014-05-16 16:34 ` Andreas Schildbach
2014-05-16 16:46   ` Matt Whitlock
2014-05-16 16:46   ` Laszlo Hanyecz
2014-05-16 17:07     ` Alex Kotenko
2014-05-16 22:02       ` Jeff Garzik
2014-05-17  0:58         ` Alex Kotenko
2014-05-17 11:39           ` Andreas Schildbach
2014-05-17 12:02             ` Alex Kotenko
2014-05-17 12:39               ` Andreas Schildbach
2014-05-19 20:14                 ` Alex Kotenko
2014-05-19 20:22                   ` Michael Wozniak
2014-05-19 20:38                     ` Alex Kotenko
2014-05-19 20:36                   ` Robert McKay
2014-05-19 23:49                     ` Jeff Garzik
2014-05-20  0:44                       ` Robert McKay
2014-05-20  0:50                         ` Robert McKay
2014-05-21  9:23                           ` Alex Kotenko
2014-05-21 11:03                             ` Andreas Schildbach
2014-05-21 11:10                               ` Alex Kotenko
2014-05-21 11:26                                 ` Andreas Schildbach
     [not found]                                   ` <537DBC3C.4090907@schildbach.de>
2014-06-11 13:57                                     ` Alex Kotenko
2014-06-11 14:24                                       ` Andreas Schildbach
2014-05-20  0:45                       ` Michael Wozniak [this message]
2014-05-16 17:17   ` Rob Golding
2014-05-16 17:34     ` Nick Simpson
2014-05-16 21:46     ` Luke Dashjr
2014-05-16 18:53 ` Matt Corallo
2014-05-16 19:43   ` Andreas Schildbach
     [not found]   ` <8ADB6ABE-371C-4F4A-A003-F6751B01A12F@heliacal.net>
     [not found]     ` <53766148.1000708@bluematt.me>
2014-05-17  1:06       ` Matt Corallo

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