On Fri, Jul 27, 2018 at 12:42 PM, Christophe Pettus <xof@thebuild.com> wrote:
>> On Jul 26, 2018, at 16:48, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> I still have no idea *why* the fe80::1%lo0 line is in there, or whether
>> there's any downside to taking it out. File dates on my own Macs suggest
>> that maybe Apple shipped some OSX versions years ago that had it in there
>> by default, and that newer versions don't have it, but system upgrades
>> don't replace the file if it's already present.
>
> That seems to be correct. I'm on Sierra on a system that's been upgraded and System Migrated since 10.4, and have
neverinstalled Unreal Engine, and it's present in my /etc/hosts file.
I'm on a High Sierra (10.13) laptop that originally came with Yosemite
(10.10, current from October 2014 to September 2015), and it doesn't
have that entry in /etc/hosts.
--
Thomas Munro
http://www.enterprisedb.com