Feature request: "ip lists".

[Mark Andrews]

> When building large scale DNS infrastructure with lots of servers all 
> over the place it becomes an absolut nightmare to maintain ever growing 
> lists of also-notifies, several versions of masters directives, etc, 
> etc.
> 
> In the "incoming end" we have ACLs, i.e. we can use a more rational 
> syntax for the various allow-* directives as there is already a src 
> address to match against.
> 
> But in the outbound direction (notifies, masters, etc) there is no 
> equivalent.
> 
> In one particular painful case we presently have 30+ very different 
> IP-adresses in one giant also-notify clause repeated several times 
> over. If I could replace all of that with a
> 
> 	also-notify { myslaves; };
> 
> and only define "myslaves" once I'd be much happier.
> 
> Comments?
> 
> Regards,
> 
> Johan
> 
> PS. Yes, I know that I can externalize the problem by building the 
> config file with an external tool. We're doing that too, but I would 
> still like to see this solved as it is a generic problem with a rather 
> simple fix.


	Well 9.3 supports masters lists.

	Does setting also-notify at the global level and setting
	empty also-notify clauses at the zone level help?  I realise
	that it is not perfect but inverting the problem sometimes
	reduces the administrative load.

	Mark
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews at isc.org