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From: Robert McKay <robert@mckay•com>
To: Robert McKay <robert@mckay•com>
Cc: Bitcoin Dev <bitcoin-development@lists•sourceforge.net>
Subject: Re: [Bitcoin-development] DNS seeds unstable
Date: Tue, 20 May 2014 01:50:30 +0100	[thread overview]
Message-ID: <a9d48b2474c87e6d9b80b567b782ecfa@webmail.mckay.com> (raw)
In-Reply-To: <0f40d061612966ff809fff04d3f698eb@webmail.mckay.com>

On Tue, 20 May 2014 01:44:29 +0100, Robert McKay wrote:
> On Mon, 19 May 2014 19:49:52 -0400, Jeff Garzik 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
>
> Setting it up as a zone forwarder causes each request to go through 
> to
> the dnsseed backend for each request.

This stackoverflow describes a similar situation;

http://stackoverflow.com/questions/15338232/how-to-forward-a-subzone

you can additionally specify the port to forward too;

http://www.zytrax.com/books/dns/ch7/queries.html#forwarders

it should be possible to forward to different ports on 127.0.0.1 for 
each dnsseed instance.

Rob



  reply	other threads:[~2014-05-20  0:50 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-15 11:50 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 [this message]
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
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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