[nmglug] IPv6, cloudflare and related issues

Ted Pomeroy ted.pome at gmail.com
Thu Jul 16 10:06:31 PDT 2020

NMGLugers & John, Thank  you, John,  for the interesting discussion and
pointing out the DoH changes in Firefox. I never saw the  notification
about the change from them. I have turned off the Doh setting on my
instances of Firefox. I enjoyed the video on the "DNS Wars" which is very
clear and points out the history and the interesting dynamics of this very
basic service. Also interesting to visit SCale18 and see what others are
doing. I have updated several usb sticks to current releases and am slowly
cataloging for myself the changes. One of these is the use of snap to
install the chromium-browser. This is an interesting example of delivering
software as sandboxed. It is working, but takes more space and cpu. Both
snap and chromium update in the background on a regular basis.
See some of you tonight at the Virtual meeting. Thank you, Ted P

On Mon, Jul 13, 2020 at 7:47 AM John Osmon <josmon at rigozsaurus.com> wrote:

> > Personally I use Unbound as a DNS cache. When devices on my LAN ask for
> > nameserver addresses, my router is configured to point to the IP of the
> > Unbound server (which in my case happens to also be the router, but you
> > could run Unbound on any machine on your network as long as it's got a
> > static IP).
> Don't forget that if you have DoH, it is bypassing your local resolver.
> Then, you're giving your juicy DNS data to the DoH provider rather than
> your ISP.
> One of the best videos I've seen that talks about these issues is form
> the Southern California Linux Expo this year:
>    https://www.youtube.com/watch?v=artLJOwToVY
> > I suppose the obvious question is, does IPv6 work for you under normal
> > circumstances? Many ISPs don't support it even in 2020. I'm quite sure
> > CenturyLink doesn't and I've never gotten it to work under Comcast
> > either.
> Comcast should work well, they were one of the first major ISPs to
> provide IPv6 for consumers.  Using DHCP-PD, they'll assign a /60
> to you.  So you can have 16 LANs running at your house -- all with
> addresses that aren't NATed.
> I haven't worked with CenturyLink's IPv6 offerings.
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