Nmap Development mailing list archives

Re: [PATCH] Mass rDNS performance


From: Fyodor <fyodor () insecure org>
Date: Thu, 19 Mar 2009 00:21:14 -0700

On Thu, Mar 19, 2009 at 07:19:41AM +0000, Brandon Enright wrote:

When I resolve 16384 randomly generated IPs that all have a reverse
name (I reverse resolved 1 million, extracted 16384 with a name) the
current code is quite a bit slower.

Hi Brandon.  Thanks for helping out with large scale testing of the
patch!  Did you compare the accuracy of the 16,384 reverse-resolves
(e.g. what percentage succeeded, since it sounds like they all should
have in an ideal case) between the patched and unpatched versions?
Performance alone only tells half the story.

Cheers,
-F

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