Avoiding duplicate PTR records when using $GENERATE
Peter Laws
plaws at ou.edu
Mon Nov 24 22:36:04 UTC 2008
Mark Andrews wrote:
> Mark Andrews writes:
>> In message <71D4B163E575894FA5B170F10E628EC5014D6549 at Deimos.internal.commarc.
>> co
>> .nz>, "Steve Brorens" writes:
>>> I've got range of 256 addresses, where I have valid PTRs for all
>>> addresses generated by:
>>>
>>> $GENERATE 0-255 $ PTR 123-123.123-66-$.acme.co.nz.
>>>
>>> My problem is that there are a dozen or so addresses scattered through
>>> this range where I want to define specific PTR records like this:
>>>
>>> 203 PTR ftp.acme.co.nz.
>>> 4 PTR www.acme.co.nz.
>>> 105 PTR smtp.acme.co.nz.
>>>
>>> However, this means that these addresses get two PTR records -
>>> generally A Bad Thing, especially for mailservers.
>>>
>>> Is there a way to use $GENERATE to just "fill the gaps"?
>> No.
Go look at your slave cache. The dupes pop right out since they have a tab
at the beginning (since first few fields are the same). That's how I
identified ours.
Well, most of ours.
--
Peter Laws / N5UWY
National Weather Center / Network Operations Center
University of Oklahoma Information Technology
plaws at ou.edu
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