Philipp Kern <pk...@debian.org> writes:
> On Mon, Sep 17, 2012 at 11:30:58PM +0200, Marco d'Itri wrote:
>> On Sep 17, Philipp Kern <pk...@debian.org> wrote:
>> > True, but somehow I feel that freeze time is not the time to change this.
>> I disagree, netcfg should be fixed. There is plenty of time to look at
>> any fallback, and even reverting the change if needed.
>> This is 2012, Europe and Asia are out of IPv4 networks and we cannot
>> afford substandard IPv6 support anymore.
>
> It affects services listening on localhost.
Well, those services are already affected in any case. Any bug triggered
by cleaning this up would already be triggered depending on DNS
availability.
/etc/hosts is not the primary source for names, and if you put anything
there then it should really, really not be some locally invented
mumbo-jumbo name. That just creates inconsistencies between the
connected and unconnected system state and is not helpful at all.
For example:
bjorn@canardo:~$ grep localhost /etc/hosts
127.0.0.1 localhost
::1 ip6-localhost ip6-loopback
bjorn@canardo:~$ host localhost
localhost has address 127.0.0.1
localhost has IPv6 address ::1
bjorn@canardo:~$ host ::1
1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa
domain name pointer localhost.
This is not good... Which addresses will a service listening on
"localhost" listen too? Seems it depends on whether DNS is available or
not. Isn't that seriously buggy?
Bjørn
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