[Exim] Prohibition message/DNS

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Autor: Paul Walsh
Fecha:  
A: lk-m-exim
Cc: Exim Users
Asunto: [Exim] Prohibition message/DNS
    *snip*

> I recently got a permanent IP address for personal use, and my
> contact who didn't know what rDNS was said uh, no, they can't do
> that, it costs money, they have to go to RIPE (European ARIN).
> It was bunk, of course, since they provided rDNS for other
> addresses in the same class C. I dug(!) up the NS, determined
> the machine type, and told them that on $MACHINE, in a file very
> probably named $DIR/$FILE, you add $LINE, and then you kill -HUP
> named. "They" apparently said "ooh, is it that simple", and did
> it.
>
> I didn't say that given the type of machine and the versions of
> the daemons, anyone with the time an inclination to go looking
> for script-kiddie recipes could have done it for them, that
> might have been construed as a threat :-)
>

    Perhaps we should point such people in the direction of  makezones
(by coincidence also written by Philip Hazel and available from Cambridge)
which happily generates coherent forward and reverse zone files.  I remember
when I first got involved with DNS how much of a pain it was keeping
forward/reverse zones consistent - until I found makezones.



Paul Walsh

Senior Systems Programmer, Information Services,
University of Central England, BIRMINGHAM B42 2SU, UK
Tel: +44 (0)121 331 5708    Fax: +44 (0)121 356 2875