Different DNS replies depending on IP block

[Andrey G. Sergeev (AKA Andris)]

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/