REVERSE DNS Practices.
twright at internode.com.au
Mon Mar 23 00:01:22 UTC 2009
On 21/03/2009, at 11:30 PM, bmanning at vacation.karoshi.com wrote:
> if you really don't care about the actual node, then you should map
> numbers to topologically significant names - after all, the reverse
> follows topology, not some goofball - layer 9 - ego trip thing.
Agreed - and its certainly manageable if you automate the process.
Generating reverse lookups from your config backups is a pretty
reliable way of doing this for infrastructure/dynamic allocations.
Your NOC staff will love it because they won't have to worry
when they shuffle around local pools, or turn up new interfaces.
> or - the more modern approach is to let the node (w/ proper
> do a secure dynamic update of the revserse map - so the forward and
> delegations match. ... a -VERY- useful technique.
Are there any network operators actually doing this on a large scale?
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