Re: [Exim] Opinions sought on new ignore_hosts option

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Autor: Phil Pennock
Data:  
Para: exim-users
Assunto: Re: [Exim] Opinions sought on new ignore_hosts option
On 2000-08-15 at 10:37 -0000, michael@??? gifted us with:
> > (1) Default unset. Preserves the current behaviour.
> >
> > (2) Minimal: ignore_hosts = <; 127.0.0.1 ; ::1
> >
> > (3) Maximal:   ignore_hosts = <; 127.0.0.0/8 ; 10.0.0.0/8 ; \
> >                                  192.168.0.0/16 ; 172.16.0.0/12 ; \
> >                                  ::1 ; fe80::/10

>
> I vote for default unset. That way old configurations stay backward
> compatible and the new release won't bite people unexpectedly, but put
> the three suggested possibilities in the manual and additionally in the
> Newstuff file.


I agree, for much the same reasons. However, the maximal one is
incomplete. A fuller list is in draft-manning-dsua-03.txt. Obviously,
as a draft you mayn't refer to it as a reference, but there's no harm in
cribbing. :^)

        0.0.0.0/8
        127.0.0.0/8
        192.0.2.0/24
        10.0.0.0/8
        172.16.0.0/12
        192.168.0.0/16
        169.254.0.0/16
        all D/E space


Aside from the ones which you list:
0.0.0.0/8 is hopefully obvious.
"192.0.2.0/24 is listed as the TEST-NET." - for use in docs & testcode
"169.254.0.0/16 has been ear-marked as the IP range to use for end node
auto-configuration when a DHCP server may not be found."

HTH,
--
"We've got a patent on the conquering of a country through the use of force.
We believe in world peace through extortionate license fees." -Bluemeat