IPv6 a DNS

[Jan Kasprzak]

	Dobry den,

	snazim se zprovoznit DNS pro IPv6. Mam pocit ze mi to chodi
(aspon pokud dam do /etc/hosts.allow spravne jmeno - ne adresu - tak me
TCP wrapper pres IPv6 pusti), ale nechodi mi testovani pomoci programu host:

$ host -t aaaa scylla.ip6.domena.cz
scylla.ip6.domena.cz has AAAA address AAAA:BBBB:CCCC:DDDD:EEEE:FFFF:0000:1111
$ host -t ptr AAAA:BBBB:CCCC:DDDD:EEEE:FFFF:0000:1111
Host \[xAAAABBBBCCCCDDDDEEEEFFFF00001111/128].ip6.arpa not found: 2(SERVFAIL)

	V named.conf mam zadefinovanou reverzni zonu
d.d.d.d.c.c.c.c.b.b.b.b.a.a.a.a.ip6.int i reverzni zonu
d.d.d.d.c.c.c.c.b.b.b.b.a.a.a.a.ip6.arpa.

	Taky by me zajimalo jestli uz je lepsi pouzit A6 nez AAAA
a jestli ip6.int nebo ip6.arpa. V IPv6 HOWTO (URL
http://www.bieringer.de/linux/IPv6/Linux+IPv6-HOWTO/hints-daemons-bind.html,
sekce 17.1.5.1 "Current best practice" pisou:

: Because there are some troubles around using the new formats,
: current best practice is:
:
: 	Forward lookup support:
: 	    * AAAA
: 	    * A6 without chaining, means prefix length value set to 0
: 	Reverse lookup support:
: 	    * Reverse nibble format for zone ip6.int
: 	    * Reverse nibble format for zone ip6.arpa

	Plati to v soucasne dobe?

-Yenya

--
\ Jan "Yenya" Kasprzak <kas at fi.muni.cz>       http://www.fi.muni.cz/~kas/
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