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author | Robert McKay <robert@mckay.com> | 2014-05-20 01:50:30 +0100 |
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committer | bitcoindev <bitcoindev@gnusha.org> | 2014-05-20 00:50:45 +0000 |
commit | 538ff0acb33dedb044d38355dca83ce08284c726 (patch) | |
tree | baa048c67abc9220ff117e3875ad1ae30a47b29d | |
parent | 2500379112021d9ea80dbbdcd0796eb12ece3d1d (diff) | |
download | pi-bitcoindev-538ff0acb33dedb044d38355dca83ce08284c726.tar.gz pi-bitcoindev-538ff0acb33dedb044d38355dca83ce08284c726.zip |
Re: [Bitcoin-development] DNS seeds unstable
-rw-r--r-- | 90/44b1600b089d9d401b2cee48fac278ac988a3e | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/90/44b1600b089d9d401b2cee48fac278ac988a3e b/90/44b1600b089d9d401b2cee48fac278ac988a3e new file mode 100644 index 000000000..4cccd9ddc --- /dev/null +++ b/90/44b1600b089d9d401b2cee48fac278ac988a3e @@ -0,0 +1,114 @@ +Received: from sog-mx-1.v43.ch3.sourceforge.com ([172.29.43.191] + helo=mx.sourceforge.net) + by sfs-ml-3.v29.ch3.sourceforge.com with esmtp (Exim 4.76) + (envelope-from <robert@mckay.com>) id 1WmYGT-0007Ay-SI + for bitcoin-development@lists.sourceforge.net; + Tue, 20 May 2014 00:50:45 +0000 +Received-SPF: pass (sog-mx-1.v43.ch3.sourceforge.com: domain of mckay.com + designates 37.1.88.131 as permitted sender) + client-ip=37.1.88.131; envelope-from=robert@mckay.com; + helo=mail.mckay.com; +Received: from mail.mckay.com ([37.1.88.131]) + by sog-mx-1.v43.ch3.sourceforge.com with esmtps (TLSv1:AES256-SHA:256) + (Exim 4.76) id 1WmYGS-0008Cp-Fm + for bitcoin-development@lists.sourceforge.net; + Tue, 20 May 2014 00:50:45 +0000 +Received: from www-data by mail.mckay.com with local (Exim 4.76) + (envelope-from <robert@mckay.com>) + id 1WmYGE-0004r2-82; Tue, 20 May 2014 01:50:30 +0100 +To: Robert McKay <robert@mckay.com> +X-PHP-Originating-Script: 0:func.inc +MIME-Version: 1.0 +Content-Type: text/plain; + charset=UTF-8; + format=flowed +Content-Transfer-Encoding: 7bit +Date: Tue, 20 May 2014 01:50:30 +0100 +From: Robert McKay <robert@mckay.com> +In-Reply-To: <0f40d061612966ff809fff04d3f698eb@webmail.mckay.com> +References: <ll29m5$r6c$1@ger.gmane.org> <ll5ems$6pt$1@ger.gmane.org> + <09E70F88-DA1C-4E3F-9342-547FB8794EAB@heliacal.net> + <CALDj+BZrn6TBjdVjGkc293SLAAcqzni+-7daFpZAq5gSaL1cKw@mail.gmail.com> + <CAJHLa0OaAKTLR2hL6kReBFcD6FoXYV9AoqMbn0WwqYgtTNtQKw@mail.gmail.com> + <CALDj+BY2jEL6-NwGdrh3wdcmjW_7tEDDxmyiP6woOxCg8bMQKw@mail.gmail.com> + <ll7hps$8gs$1@ger.gmane.org> + <CALDj+BYqMDxv+YYcrEzaZH+qFqUsme3UYuYh5Es7C6FbMZCtpg@mail.gmail.com> + <ll7l9t$m82$1@ger.gmane.org> + <CALDj+BamyawuTgDhzM0AyB5LWNPb_xY_BQeDHqs9t9WLPibiCQ@mail.gmail.com> + <779f3ed92d29cfd6922a92c5d60d3f9d@webmail.mckay.com> + <CAJHLa0O_F3MJc1KJJn+L6AjT-wa8sPunibb4rfWGGUWYSOkVOg@mail.gmail.com> + <0f40d061612966ff809fff04d3f698eb@webmail.mckay.com> +Message-ID: <a9d48b2474c87e6d9b80b567b782ecfa@webmail.mckay.com> +X-Sender: robert@mckay.com +User-Agent: Roundcube Webmail/0.5.3 +X-Spam-Score: -2.3 (--) +X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. + See http://spamassassin.org/tag/ for more details. + -1.5 SPF_CHECK_PASS SPF reports sender host as permitted sender for + sender-domain + -0.0 SPF_PASS SPF: sender matches SPF record + -0.7 RP_MATCHES_RCVD Envelope sender domain matches handover relay + domain + -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from + author's domain + 0.1 DKIM_SIGNED Message has a DKIM or DK signature, + not necessarily valid + -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature +X-Headers-End: 1WmYGS-0008Cp-Fm +Cc: Bitcoin Dev <bitcoin-development@lists.sourceforge.net> +Subject: Re: [Bitcoin-development] DNS seeds unstable +X-BeenThere: bitcoin-development@lists.sourceforge.net +X-Mailman-Version: 2.1.9 +Precedence: list +List-Id: <bitcoin-development.lists.sourceforge.net> +List-Unsubscribe: <https://lists.sourceforge.net/lists/listinfo/bitcoin-development>, + <mailto:bitcoin-development-request@lists.sourceforge.net?subject=unsubscribe> +List-Archive: <http://sourceforge.net/mailarchive/forum.php?forum_name=bitcoin-development> +List-Post: <mailto:bitcoin-development@lists.sourceforge.net> +List-Help: <mailto:bitcoin-development-request@lists.sourceforge.net?subject=help> +List-Subscribe: <https://lists.sourceforge.net/lists/listinfo/bitcoin-development>, + <mailto:bitcoin-development-request@lists.sourceforge.net?subject=subscribe> +X-List-Received-Date: Tue, 20 May 2014 00:50:46 -0000 + +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 + + |