[GLLUG] Configuring a bind db.zone.ip6.arpa file

Alain Williams addw at phcomp.co.uk
Tue May 9 21:39:55 UTC 2017

On Tue, May 09, 2017 at 09:37:00PM +0100, Greater London Linux UUG wrote:
> Hello,
> I am trying to configure a firewalled local network using a site local IPv6 
> address prefix. I have more than one domain name, and should be able to receive 
> emails addressed to them, plus any arriving through the email address 
> allocated by my ISP, at one or more mail gateways in my DMZ, and then relayed 
> through the firewall to one or more local mail servers. I would like a mail 
> server on my protected network to have a site local address, and respond to 
> each as mailserver.domain.name so that exim4 is happy..
> It is easy to have a /bind/db.domain.name file for each, but I am trying to 
> configure a reverse ip6.arpa file to point from a single site local address (the 
> same box interface) to multiple names, and have not found any documentation on 
> how to enter the data.

I'm not quite sure what you mean. Are you saying that you have one IPv6 address
and you want to give that different names depending on who asks ? If so you can
do that with views - I will give an example if that is what you want.

> Multiple bind options in other files can be entered on separate lines, preceded 
> by a "{" and with a semicolon ";" at the end of each line, with the last line 
> terminated by a "}" , while the documentation for a db.arpa file shows a single 
> name, which  can be on a separate line, preceded by a "(" and followed by a 
> ")" but I am getting error messages about extra text appearing.
> Is this the correct way to do it, or should I allocate multiple site local 
> addresses to the same interface, one for each domain name?
> Any advice welcome, thanks.
> -- 
> Chris Bell
> website chrisbell.org.uk
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Alain Williams
Linux/GNU Consultant - Mail systems, Web sites, Networking, Programmer, IT Lecturer.
+44 (0) 787 668 0256  http://www.phcomp.co.uk/
Parliament Hill Computers Ltd. Registration Information: http://www.phcomp.co.uk/contact.php
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