Different DNS replies depending on IP block
Andrey G. Sergeev (AKA Andris)
andris at aernet.ru
Sat Aug 23 18:39:25 UTC 2008
Hello KurtKraut,
Fri, 22 Aug 2008 01:04:59 -0300 KurtKraut wrote:
> I own a service that has mirrors all around the world. I'd like to
> Bind to respond a DNS request of my A ADDRESSes differently, depending
> on the IP block that made the request
>
> For instance, from a computer from an ISP provider would have this:
>
> [root at computer1 etc]# host bbs.archlinux.org
> bbs.archlinux.org is an alias for archlinux.org.
> archlinux.org has address 66.211.213.17
>
> And another person from another ISP would have:
>
> [root at ktk7 etc]# host bbs.archlinux.org
> bbs.archlinux.org is an alias for archlinux.org.
> archlinux.org has address 208.69.32.230
>
> In #bind over irc.freenode.net, some folks recommended me the 'view'
> directive. So, I put in my named.conf:
>
> view "brazil" {
> match-clients { 201.17.105.0/24; };
> zone "brlink.org" {
> type master;
> file "/etc/bind/db.brlink.br";
> };
> };
>
> view "international" {
> match-clients { any; };
> zone "brlink.org" {
> type master;
> file "/etc/bind/db.brlink.int";
> };
> };
>
>
> I've used 201.17.105.0/24 only for testing porpuse because I own a
> server inside this block.
>
> The results I'm getting are this: if in the named.conf the 'view
> brazil' is the first directive, all DNS requests, no matter where they
> came from, will be replied with db.brlink.br. If 'view international'
> is the first directive to be read in named.conf, any IP address will
> receive it's contents. What am I missing ? How should I proceed ?
At first, examine your named.conf for missing semicolons (";") after the
statements.
--
Yours sincerely,
Andrey G. Sergeev (AKA Andris) http://www.andris.name/
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