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Re: [NETVAERK] bind og ipv6



Den Sun, 31 Dec 2006 03:41:26 +0100. skrev Michael Rasmussen:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> On Sun, 31 Dec 2006 01:43:47 +0000
> Keld Jørn Simonsen <sslug@sslug> wrote:
> 
>> 
>> Og er dette tilrådeligt? Eller er der andet som det kan anbefales at
>> gøre?
>> 
> Hvad er problemet?
> En test af om en adresse er en ipv6, tager ikke mange splitsekunder, og
> der sendes selvfølgelig ikke en forespørgsel på en ikke valid ipv6 til
> en DNS.

Det tager altså nogen tid. Bind gør det, at den først spørger om der
er en AAAA RR, og når den ikke finder dette, så laver den AAAA
forespørgsler i de domæner som den har domain eller search direktiver
til. Det bliver hurtigt til 3-4 DNS-forespørgsler, som er komplet
unødvendige. 

Den skal da først spørge, før den kan finde ud af om det er et validt
ipv6 domæne, så selvfølgelig spørger den også på ikke-valide
ipv6-adresser. Eller hvad mente du?

Hilsen
keld


 
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