public inbox for bitcoindev@googlegroups.com
 help / color / mirror / Atom feed
From: Laszlo Hanyecz <laszlo@heliacal.net>
To: Andreas Schildbach <andreas@schildbach.de>
Cc: bitcoin-development@lists.sourceforge.net
Subject: Re: [Bitcoin-development] DNS seeds unstable
Date: Fri, 16 May 2014 16:46:54 +0000	[thread overview]
Message-ID: <09E70F88-DA1C-4E3F-9342-547FB8794EAB@heliacal.net> (raw)
In-Reply-To: <ll5ems$6pt$1@ger.gmane.org>

It looks like it might be firewalled, probably just need to fix the ACL in EC2.

-Laszlo

On May 16, 2014, at 4:34 PM, Andreas Schildbach <andreas@schildbach.de> wrote:

> Apparently British Telecom also cannot speak to Peter Todd's server.
> 
> That another very large ISP in Europe.
> 
> 
> On 05/15/2014 01:50 PM, Andreas Schildbach wrote:
>> I'm bringing this issue up again. The current Bitcoin DNS seed
>> infrastructure is unstable. I assume this is because of we're using a
>> custom DNS implementation which is not 100% compatible. There have been
>> bugs in the past, like a case sensitive match for the domain name.
>> 
>> Current state (seeds taken from bitcoinj):
>> 
>> mainnet:
>> 
>> seed.bitcoin.sipa.be			OK
>> dnsseed.bluematt.me			OK
>> dnsseed.bitcoin.dashjr.org		SERVFAIL, tried multiple ISPs
>> seed.bitcoinstats.com			OK
>> 
>> testnet:
>> 
>> testnet-seed.bitcoin.petertodd.org	SERVFAIL, just from Telefonica
>> testnet-seed.bluematt.me		OK (but only returns one node)
>> 
>> Note: Telefonica is one of Europe's largest ISPs.
>> 
>> I would try to improve DNS myself, but I'm not capable of writing C. My
>> "fix" would be to reimplement everything in Java -- I doubt you guys
>> would be happy with that.
>> 
>> 
>> ------------------------------------------------------------------------------
>> "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
>> Instantly run your Selenium tests across 300+ browser/OS combos.
>> Get unparalleled scalability from the best Selenium testing platform available
>> Simple to use. Nothing to install. Get started now for free."
>> http://p.sf.net/sfu/SauceLabs
>> 
> 
> 
> 
> ------------------------------------------------------------------------------
> "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
> Instantly run your Selenium tests across 300+ browser/OS combos.
> Get unparalleled scalability from the best Selenium testing platform available
> Simple to use. Nothing to install. Get started now for free."
> http://p.sf.net/sfu/SauceLabs
> _______________________________________________
> Bitcoin-development mailing list
> Bitcoin-development@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/bitcoin-development




  parent reply	other threads:[~2014-05-16 16:47 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 [this message]
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
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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=09E70F88-DA1C-4E3F-9342-547FB8794EAB@heliacal.net \
    --to=laszlo@heliacal.net \
    --cc=andreas@schildbach.de \
    --cc=bitcoin-development@lists.sourceforge.net \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox