[TriLUG] ATT gigabit internet quick review

Mauricio Tavares via TriLUG trilug at trilug.org
Tue Dec 6 09:59:36 EST 2016


On Dec 6, 2016 9:47 AM, "Wes Garrison via TriLUG" <trilug at trilug.org> wrote:
>
> AT&T does not block external DNS requests, they just don't let you change
> the DNS addresses that the router hands out by default with DHCP requests.
>
      That would not bother me since I have an internal DNS server which
grabs its own external DNS to delegate to.

> -Wes
>
> _________________________________
> Wesley S. Garrison
> Network Engineer
> Xitech Communications, Inc.
> phone:  (919) 260-0803
> fax:       (919) 932-5051
> __________________________________
> "Lead us not into temptation, but deliver us from email."
>
> On Tue, Dec 6, 2016 at 9:22 AM, Alan Porter via TriLUG <trilug at trilug.org>
> wrote:
>
> >
> > > OpenDNS (208.67.222.222 and 208.67.220.220) is another
> > > alternative, but some people feel that it messes with DNS
> > > too much, similar to the problems discussed above.
> >
> > Note that OpenDNS is now part of Cisco.
> >
> > That might be a good thing or a bad thing, depending on what
> > you're looking for.
> >
> > If your hat is made of tin foil, then maybe it's not for you, and
> > maybe you want to run a fully recursive resolver like unbound.
> > But if you would just like an easy-to-manage filtered DNS,
> > suitable for family use, then sign up for a free account and
> > use it to the fullest.
> >
> > I have done both, at different times.  I am currently using
> > OpenDNS as Cisco markets it, and it's pretty cool.  Occasionally,
> > I have to address a "please whitelist this" request from my kids,
> > but that only helps to remind me that it's doing its job.
> >
> > Alan
> > (only briefly a Cisco employee)
> >
> >
> >
> > PS - One point that was not clear to me from the earlier discussion
> > was whether AT&T was simply offering its own DNS servers as the
> > default via DHCP assignment, or if it were somehow blocking or
> > intercepting traffic that was intended for external DNS servers.
> > That distinction makes all the difference in the world.
> >
> >
> >
> > --
> > This message was sent to: Wes <wes at xitechusa.com>
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that
> > address.
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> >
> --
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