On Tue, Nov 8, 2016 at 3:28 PM, Neal Gompa <ngomp...@gmail.com> wrote:
> On Tue, Nov 8, 2016 at 6:25 PM, Andrew Lutomirski <l...@mit.edu> wrote: > > On Tue, Nov 8, 2016 at 3:19 PM, Neal Gompa <ngomp...@gmail.com> wrote: > >> On Tue, Nov 8, 2016 at 6:14 PM, Zbigniew Jędrzejewski-Szmek > >> <zbys...@in.waw.pl> wrote: > >>> On Tue, Nov 08, 2016 at 05:25:36PM -0500, Matthew Miller wrote: > >>>> On Tue, Nov 08, 2016 at 04:49:42PM -0500, Stephen Gallagher wrote: > >>>> > SUSE generates a random name of the format linux-XXXXXX (I'm not > sure how many > >>>> > My proposal is that we should consider changing the default > hostname for Fedora > >>>> > 26 to be either FED-XXXXXXXXXXX or FEDORA-XXXXXXXX. The former > allows for a > >>>> > >>>> How about non-yelly Fedora-XXXXXXXXXXX? Since SUSE apparently does > >>>> lower case, that should be fine, right? > >>> > >>> Bastian Nocera also filed https://bugzilla.redhat.com/ > show_bug.cgi?id=1392925, > >>> where he proposes "fedora" as the hostname. I think "fedora" is better > than > >>> "localhost", and a non-constant hostname would be even better. > >>> For interactive installs (like with anaconda) it would be great if we > could > >>> ask for the hostname. For non-interactive ones, "Fedora-[0-9a-z-]{8}" > seems > >>> like a good option (*). It would give "branding", and solve the > freeipa issues. > >>> It would also be a good default for the interactive case, so that > people can > >>> "click through" without having to pick anything. > >>> > >>> (*) The suffix could include dashes for more possibilities, but they > should > >>> not be adjacent or at the end. > >> > >> I'm in favor of defaulting to "Fedora-[0-9a-z-]{8}" myself. However, > >> I'm concerned that people don't realize that we can, in fact, set the > >> hostname during installation. People usually don't because Anaconda > >> doesn't currently make that mandatory or otherwise note that it's > >> possible during the initial panel of spokes (hint: it's the networking > >> spoke), and so the default of "localhost" continues on without anyone > >> being the wiser. > >> > >> > > > > If the hostname is non-constant, can we also arrange that, by default, > > this hostname is never sent over the network? In particular, I think > > that DHCP requests should *not* include this hostname. We're already > > starting to randomize MAC addresses -- there's no reason to give a > > persistent per-installation identifier to every network. > > The idea is that the hostname is randomly generated at install time. > It definitely is constant. And speaking from experience, not including > the hostname in DHCP requests breaks quite a few user expectations > (especially the ability to identify the computer by name). > > When I go to a random coffee shop and connect to wifi, I have a very strong user expectation that the coffee shop *not* be able to identify me by name. It's even somewhat dubious to advertise to the coffee shop that I'm using Fedora. If this means that NetworkManager needs to generate a per-network random client ID, so be it. IMO a per-installation value absolutely should not be sent to a network that is not explicitly (on an opt-in basis) configured as trusted.
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