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nmap-dev logo Nmap Development mailing list archives

missing nmap features
From: insecure () mail od ua
Date: Thu, 13 Mar 2003 21:43:47 +0200

Hi Fyodor, hi nmap folks,

[please cc me, I'm not on the list]

Recently I needed to find some HTTPS servers in really big list
of ip addresses and tried to use nmap.

I invoked it similar to this:

# nmap -sT -P0 -p 443 -T Normal <ip list>

and it works, which is good.

But it does a reverse DNS lookup for every host, which
is slower than scan itself and it does not try to scan
several hosts in parallel. --max_parallelism N
does not seem to help.

Parallelizing hosts may be not totally trivial, so
it's not fair on my part to moan too loud about it,
but can nmap acquire at least a little nice -n option
to disable reverse DNS? ;) ;)
-- 
vda

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