named and jail startup race condition

Arthur Chance freebsd at qeng-ho.org
Fri Nov 6 14:56:54 UTC 2015


On 06/11/2015 13:28, Andrea Venturoli wrote:
> On 11/06/15 14:01, Arthur Chance wrote:
>
>>> 127.0.0.1 is lo1's address, which is the interface/IP of the jail.
>>
>> I presume that should have been 127.0.1.1
>
> Sure, sorry for the typo.
>
>
>
>>> _ preconfigure lo1 in rc.conf?
>>
>> That's what I do
>
> I'll try this way.
>
>
>
>
> otherwise if you have more than one jail which one
>> creates the interface?
>
> I thought I'd use one jail per interface, altough I didn't try this yet.

The problem with that is you'll hit the same problem for each interface. 
OK, there's nothing wrong with having

cloned_interfaces="lo1 lo2 lo3 ..."

in your /etc/rc.conf but it gets a bit tedious. I put all my jails on 
lo1 with 127.1.*.* addresses and use a firewall to control what can talk 
to what.

-- 
Moore's Law of Mad Science: Every eighteen months, the minimum IQ
necessary to destroy the world drops by one point.


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