FreeBSD violates RFC2870 [was: Re: Problems with named default configuration in 6-STABLE]

Heiko Wundram (Beenic) wundram at beenic.net
Tue Jul 17 11:09:03 UTC 2007


On Tuesday 17 July 2007 12:47:50 Volker wrote:
> I've googled a bit. RFC 2870 says:
>
>   2.7 Root servers SHOULD NOT answer AXFR, or other zone transfer,
>        queries from clients other than other root servers.  This
>        restriction is intended to, among other things, prevent
>        unnecessary load on the root servers as advice has been heard
>        such as "To avoid having a corruptible cache, make your server a
>        stealth secondary for the root zone."  The root servers MAY put
>        the root zone up for ftp or other access on one or more less
>        critical servers.

Read up on:

http://www.ietf.org/rfc/rfc2119.txt

which specifically says that "should not" means "recommended not to", but not 
explicitly forbidden. So, this behaviour is not in violation of RFC2870, just 
discouraged by it. If the (respective) roots offer it, perfect.

-- 
Heiko Wundram
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