[PATCH 0/4] dynamic DNS registration updates

David Holder david.holder at erion.co.uk
Mon Jun 2 08:09:06 GMT 2008


Hi! If you need any help/info regarding IPv6 enabling the registrations 
let me know. I'd very interested in getting this to work.

Dr David Holder CEng FIET MIEEE

Erion Ltd, Oakleigh, Upper Sutherland Road, Halifax, HX3 8NT

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James Peach wrote:
> Hi all,
> This patch series alters (hopefully for the better) the behaviour of 
> "net ads dns register".
> [1/4] dns: Log the DNS error on DNS update failure.
> Map DNS error code to messages and print an error if the update is 
> unsuccessful.
> [2/4] dns updates: Register name.dnsdomain instead of 
> gethostbyname(name).
> I expect this patch to be somewhat controversial. It's not clear to me 
> what the correct way to figure out the client's DNS domain is. On our 
> systems, the AD join sets up a realm->DNS mapping in the MIT Kerberos 
> config file. This might be different for others.
> [3/4] dns: Use writev(2) to send DNS requests in a single TCP segment.
> This should be straightforward. We just make Wireshark's life easier.
> [4/4] dns updates: Dynamically register a PTR record.
> We register a PTR record for out first IPv4 address. When DNS 
> registrations get IPv6 support we should also register an IPv6 
> address. I've taken basically the simplest approach possible to 
> registering PTR records. There's significant room for this to become 
> more sophisticated.

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