Q: IPv6-only setup - get rid of 127.0.0.1

[Lennart Poettering]

On Thu, 21.06.12 16:59, Alexey I. Froloff (raorn at raorn.name) wrote:

> On Thu, Jun 21, 2012 at 02:44:42PM +0200, Tomasz Torcz wrote:
> > > I can't find who sets "inet 127.0.0.1/8 scope host" address to lo
> > > interface.  Commented out the IPADDRESS in ifcfg-lo - no result.
> >   systemd sets this very early during boot.
> Is is configurable?

Nope.

Just dropping the loopback IP address doesn't disable IPv4. if you want
to disable IPv4 like you can disable IPv6 then this probably needs
kernel support.

Disabling IPv4 should result in socket(AF_INET, ...) returning
EAFNOSUPPORT. Just taking away 127.0.0.1 doesn't do anything like that.

Lennart

-- 
Lennart Poettering - Red Hat, Inc.