On 05/15/2014 07:48 PM, Gregory Maxwell wrote: > On Thu, May 15, 2014 at 4:50 AM, Andreas Schildbach > <andr...@schildbach.de> 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. > > If software is using the DNS seeds in a way where one or two being > unavailable is problematic, then the software may be using them > poorly. > > Generally DNS seeds should only be used as fast connectivity hints, > primarily for initial connectivity. Relying on them exclusively > increases isolation vulnerabilities (e.g. because the dns seed > operators or any ISP or network attacker on the path between you and > the seeds can replace the results with ones that isolate you on a > bogus network).
I just used "nslookup", after seeing the issues in bitcoinj. I agree that clients should be robust regarding DNS lookups (and bitcoinj isn't), but still I think the first step needs to be maintaining a quality infrastructure. ------------------------------------------------------------------------------ "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
