Mike, I think I can contribute to your DNS seeding project. Could you help define long-lived peers? -rick On Wed, Aug 3, 2011 at 3:04 AM, Mike Hearn wrote: > This is expected to happen from time to time of course as it's inherently > racy, but there are a *lot* of bad nodes appearing in the DNS seeds. > > $ nmap -oG /tmp/x -p 8333 `dig +short bitseed.bitcoin.org.uk > dnsseed.bluematt.me bitseed.xf2.org` > ... > Nmap done: 48 IP addresses (25 hosts up) scanned in 9.80 seconds > > $ grep -c 'closed' /tmp/x > 6 > > So of 48 IPs returned only 19 are actually usable. This is slowing down > peer bringup for the Android apps, which don't currently save the addresses > of last-used peers (yes, I know we should fix this). > > I was talking to a friend a few days ago about Bitcoin, he seemed > interested. I'm hoping he might take on DNS seeding as a project. A custom > DNS server that watches the network to find long-lived peers that run the > latest version would be helpful for resolving this kind of thing. > > > ------------------------------------------------------------------------------ > BlackBerry® DevCon Americas, Oct. 18-20, San Francisco, CA > The must-attend event for mobile developers. Connect with experts. > Get tools for creating Super Apps. See the latest technologies. > Sessions, hands-on labs, demos & much more. Register early & save! > http://p.sf.net/sfu/rim-blackberry-1 > _______________________________________________ > Bitcoin-development mailing list > Bitcoin-development@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/bitcoin-development > >