nanog mailing list archives
Re: [Nanog] Re: IPv6 rDNS - how will it be done?
From: Felipe Zanchet Grazziotin <felipe () starbyte net>
Date: Tue, 27 Apr 2010 23:27:47 -0300
On Tue, Apr 27, 2010 at 11:13 PM, David Conrad <drc () virtualized org> wrote:
On Apr 27, 2010, at 6:46 PM, John Levine wrote:For spoof resistance, how about doing a forward lookup on the purported name and only installing it if it gets a matching AAAA record?Sounds like a reasonable DDNS filtering approach.
On controlled environments it might work. Don't know how larger ISPs would set AAAA records before for bazillion possible combinations of computer.subnet.customer.isp.tld. If going dynamic, are you willing to lower your DNS TTL to handle that? Maybe doing wildchar evatulation for /64 subnets? "Everything under this subnet is my-subnet.customer.isp.tld".
Regards, -drc
Kindly, Felipe
Current thread:
- Re: [Nanog] Re: IPv6 rDNS - how will it be done?, (continued)
- Re: [Nanog] Re: IPv6 rDNS - how will it be done? Larry Sheldon (Apr 27)
- Re: [Nanog] Re: IPv6 rDNS - how will it be done? Tony Finch (Apr 28)
- Re: [Nanog] Re: IPv6 rDNS - how will it be done? Larry Sheldon (Apr 28)
- Re: [Nanog] Re: IPv6 rDNS - how will it be done? David Conrad (Apr 27)
- Re: [Nanog] Re: IPv6 rDNS - how will it be done? Jason 'XenoPhage' Frisvold (Apr 27)
- Re: [Nanog] Re: IPv6 rDNS - how will it be done? David Conrad (Apr 27)
- Re: [Nanog] Re: IPv6 rDNS - how will it be done? Richard Barnes (Apr 27)
- Re: [Nanog] Re: IPv6 rDNS - how will it be done? Steve Bertrand (Apr 27)
- Re: [Nanog] Re: IPv6 rDNS - how will it be done? John Levine (Apr 27)
- Re: [Nanog] Re: IPv6 rDNS - how will it be done? David Conrad (Apr 27)
- Re: [Nanog] Re: IPv6 rDNS - how will it be done? Felipe Zanchet Grazziotin (Apr 27)
- Re: [Nanog] Re: IPv6 rDNS - how will it be done? Jack Bates (Apr 28)
- RE: [Nanog] Re: IPv6 rDNS - how will it be done? Mark Scholten (Apr 28)
- Re: [Nanog] Re: IPv6 rDNS - how will it be done? Stefan Schmidt (Apr 28)
- Re: [Nanog] Re: IPv6 rDNS - how will it be done? Mark Andrews (Apr 27)
- Re: IPv6 rDNS - how will it be done? Stefan Schmidt (Apr 28)