Re: Secure DNS

Michael Potts <[email protected]>
Newsgroups gmane.org.user-groups.jaxlug
Message-ID <CAFuZKrx_VJ3xJDOh1m1vB1f=mKUnTAjCL44-DQdDPzfvbtw4qQ@mail.gmail.com>
I assume you are talking about DNS for your computers, not hosted DNS (like
a nameserver for your domain).
I rely on OpenDNS almost exclusively with the occasional failover to
Google's DNS when I need to do some testing.

OpenDNS has some great features when you create an account.

On even a medium-bandwidth connection, I have basically stopped using a
local DNS server (aka BIND on a router or something). I have the DHCP
server pass OpenDNS to the machines and go from there.

Got a Mac? They have DNS over (a protocol like) SSL to prevent MitM attacks
on DNS: https://www.opendns.com/technology/dnscrypt/

*4. Is this using SSL? What's the crypto and what's the design?*
>
> We are not using SSL.  While we make the analogy that DNSCrypt is like SSL
> in that it wraps all DNS traffic with encryption the same way SSL wraps all
> HTTP traffic, it's not the crypto library being used.  We're using
> elliptical-curve cryptography, in particular the Curve25519<http://dnscurve.org/crypto.html> eliptical
> curve.  The design goals are similar to those described in the DNSCurve
> forwarder <http://dnscurve.org/out-implement.html> design.
>

For DNS service for my domains, I use my awesome registrar's DNS service (
http://uf.register4less.com , Link using referral to give credit to the
awesome webcomic, userfriendly.org)

I have also begun to use CloudFlare.com, as they have some fancy-pants
features and a fancy new-style AJAX-based control panel. R4L's is basic
HTML (which I like in most cases).

Michael Potts
GV: (904) 638-2914 | Gtalk: [email protected]
@HMHackMaster | http://about.me/MichaelPotts



On Mon, Feb 13, 2012 at 3:08 PM, inkrypto <[email protected]> wrote:

> What external DNS do you use?  I use comcast, my ISP's, and run a lil
> webserver but don't want to get spoofed and don't know enough about bind to
> harden it so . . .
>
> OpenDNS?
>
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