André Keller wrote:

Hi Swinoggers

What is the apropriate way to handle ipv6 reverse dns entrys for host with automatic generated addresses?

I've got a local router which annouce a /64 (say 2001:db8:1:1::/64) using a routing advertising daemon. Now the client gets an address (f.e 2001:db8:1:1:1234:cafe:deba:c1e) which has no rdns. Should I concern having rdns for this automatic addresses?

What are you using RDNS for? That is the first question you should ask yourself. Then you can also answer if you want a reverse for that address. If you have a forward then you most likely also want a reverse.

I personally stuff everything in forward/reverse, but then again I don't have that many hosts ;)

As for 'services', the trick is there to use: EUI-64 for the 'management' address, that way you can always reach the box by it's name. And use eg ::4001 as the service IP, that way you can easily move the service to another box by just routing it to another one.

(CNAME's in DNS of course also works, YMMV etc :)

If yes how can that be accomplished (with bind)?

If you want to register them, Secure DDNS is the answer in most cases

http://www.ops.ietf.org/dns/dynupd/secure-ddns-howto.html http://unfix.org/~jeroen/archive/Windows_DynamicDNS_Update.zip

(Note that you can make a zone ddns.example.com and let people update there, while having CNAME's from the main example.com; that to avoid peeping up the main example.com if one still likes old fashioned text files with neat comments like me ;)

Greets, Jeroen