Re: [DNSOP] SIG(0) useful (and used?)

Paul Vixie <paul@redbarn.org> Wed, 20 June 2018 23:13 UTC

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Date: Wed, 20 Jun 2018 19:13:53 -0400
From: Paul Vixie <paul@redbarn.org>
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To: Warren Kumari <warren@kumari.net>
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Subject: Re: [DNSOP] SIG(0) useful (and used?)
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Warren Kumari wrote:
> ...
> ​<no hats>​
>
> ​... what I'd alway wanted[0] was to be able to setup my own recursive
> name server somewhere on the Internet, and then only allow myself (and a
> few of my closest friends) to be able to query it.
>
> 1: Obviously having it as an open-recursive is not the answer (e.g it
> would show up in Jared's list within a few days :-))
> 2: Everyone travels, and so adding and removing myself (and a few of my
> closest friends) from ACLs won't realistically work
> 3: The obvious "just use a VPN" / SSH tunnels / etc is simply annoying.

i set up a dns-over-https tunnel for myself three years ago and promptly 
forgot all about it. note: i am easily annoyed.

https://github.com/BII-Lab/DNSoverHTTP

that said:

> ...
> SIG(0) seemed like the perfect solution -- toss something in resolv.conf
> next to the nameserver, and <handwave> magic happens. Unfortunately,
> this doesn't actually, you know, exist...

i agree. if it existed, i would use it, except when behind middleboxes 
who "know" what dns has to look like.

> (and much of it can now be
> solved with DNS-over-TLS, but still...)

unless you're behind a middlebox that "knows" what dns has to look like.

> ...
> So, SIG(0) could be many nice things, but without more implementations
> is is hobbled...

i'd love to see it implemented.

-- 
P Vixie