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Is there a group/org who maintains the list of public DNS cache
servers around the world?<br>
If so for us the auth-nameservers, can setup firewall to permit only
the servers from this list to access in.<br>
<br>
Thanks.<br>
<br>
<div class="moz-cite-prefix">On 2015/12/16 星期三 13:22, Patrik
Fältström wrote:<br>
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cite="mid:D0FAE6BD-7771-40E0-A519-D121251C5463@frobbit.se"
type="cite">
<pre wrap="">On 16 Dec 2015, at 4:51, Dave Warren wrote:
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<pre wrap="">Plus, if we're going to replace something as fundamental as DNS in any major way, BCP38 will cause a lot less pain overall and might well kick the replace-DNS can far enough down the road while mostly solving the current DDoS capabilities.
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<pre wrap="">
BCP48 / SAC-004 is what is needed. The kick down the road is a pretty hard kick.
The ability to have a stateless protocol for lookups is pretty nice.
And "stateless communication on top of TCP" which HTTP does is not optimal either. And no, HTTP/2 is not really what we need either as it has many weaknesses.
Beep was doing the right thing, and HTTP/3 might be where we need to go.
Anyway, my point is that I completely agree with Dave here. If we could at last get some better control over the IP addresses, we would be in a better situation. And given the depletion of IPv4 space when people started to use each others IP addresses, the situation will not be better, but worse, pretty quickly.
As a defence during an attack I envision sooner than I expected blocking IPv4 be one mechanism that simply must be deployed.
Patrik
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