On Thu, 2012-06-21 at 16:39 +0200, Lennart Poettering wrote: > On Thu, 21.06.12 18:22, Alexey I. Froloff (raorn@xxxxxxxxxx) wrote: > > > On Thu, Jun 21, 2012 at 03:39:43PM +0200, Lennart Poettering wrote: > > > Disabling IPv4 should result in socket(AF_INET, ...) returning > > > EAFNOSUPPORT. Just taking away 127.0.0.1 doesn't do anything like that. > > Yep, and it doesn't prevent for anyone listening on 0.0.0.0... > > > > But still, is it possible to get rid of 127.0.0.1, or it's > > hardcoded in systemd? > > This is hardcoded in systemd, but nothing stops you from dropping this > again from the interface. > > Basically, the logic in systemd is to configured 127.0.0.1 to lo if IPv4 > is available and ::1 to lo if IPv6 is available. But if this is later > undone or changed this is toally OK. > > We simply do this by default because this is such basic functionality > that lo should work everywhere and always without and specific > configuration. NetworkManager also ensures that lo has 127.0.0.1, but that's only done once on startup of NM. This functionality has existed in NM for quite a long time, predating systemd. I'd be fine with disabling it for Fedora now that systemd handles it. Dan -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel
