Re: Q: Automatic, secure proxy selection

On Mon, Jul 20, 2020 at 05:02:14PM +1000, Mark Nottingham wrote:
> This question is likely better asked on the DoH or another list, as it's not specific to HTTP.
> 

Thanks, Mark, i can ask there too, but i was thinking that the
particular proxy functionality would be specific to http.

E.g.: can i tunnel e2e encrypted through a http proxy ?

Cheers
  Toerless

> Cheers,
> 
> 
> > On 20 Jul 2020, at 2:51 am, Toerless Eckert <tte@cs.fau.de> wrote:
> > 
> > I hope a (simple?) user question is acceptable on this list, apologize if not.
> > 
> > What (if any) IETF/W3C standards exist to complete the following workflow:
> > 
> > - all for client/initiator (eg.: browser)
> > - Assume some DoH method for DNS lookups
> > - DNS lookup for www.example.com
> > - get in reply something like: (?)
> >    www.example.com trusts the following proxy.com
> > - Build TLS connection to proxy.com (?)
> > - Tunnel end-to-end https connection to www.example.com across (?)
> >    that TLS connection to proxy.com
> >    Aka: do not want proxy.com to be able to decrypt end-to-end payload.
> > 
> > Aka: I am am unclear if there are appropriate DNS RRs to support the
> > following steps and if/how it is actually possible to have end-to-end
> > encryption across such an also encrypted proxy connection. 
> > 
> > The use-case is obvious not to have network layer exposure on
> > the path between client and proxy that the connection is with www.example.com
> > and on path between proxy and www.example.com that connection is for client.
> > 
> > Thanks!
> >    Toerless
> > 
> > 
> > 
> 
> --
> Mark Nottingham   https://www.mnot.net/

-- 
---
tte@cs.fau.de

Received on Monday, 20 July 2020 07:40:29 UTC