On Mon, 27.04.15 20:17, Kai Krakow (hurikha...@gmail.com) wrote:

> Tomasz Torcz <to...@pipebreaker.pl> schrieb:
> 
> >> Well, would that enable automatic, correcting routing between the
> >> container and the host's external network? That's kinda what this all
> >> is about...
> > 
> > If you have radvd running, it should.  By the way, speaking of NAT
> > in context of IPv6 is a heresy.
> 
> Why? It's purpose here is not saving some addresses (we have many in IPv6), 
> it's purpose is to have security and containment. The services provided by 
> the container - at least in my project - are meant to be seen as a service 
> of the host (as Lennart pointed out as a possible application in another 
> post). I don't want the containers being addressable/routable from outside 
> in. And putting a firewall in place to counterfeit this is just security by 
> obscurity: Have one configuration problem and your firewall is gone and the 
> container publicly available.
> 
> The whole story would be different if I'd setup port forwarding afterwards 
> to make services from the containers available - but that won't be
> the case.

Sidenote: systemd-nspawn already covers that for ipv4: use the --port=
switch (or -p).

Lennart

-- 
Lennart Poettering, Red Hat
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