From: Juan B (juanbabi@yahoo.com)
Date: Sat Oct 29 2005 - 03:45:59 EDT
Scanrand is bettr for this task.
Juan
--- Daniel Miessler <daniel@dmiessler.com> wrote:
>
> On Aug 12, 2005, at 1:58 PM, Michael Weber wrote:
>
> > I am using nmap to create a list of targets that I
> will then use other
> > tools to test. My problem is how can I do a fast
> scan of a large
> > (class
> > B) network of systems running XP, most with
> firewalling turned on?
> > Will
> > nmap -sP still find the systems if ping does not?
>
> I have something just for you; I use it constantly
> during assessments
> just for this purpose:
>
> nmap -vv -n -sP
> -PS21,22,23,25,53,80,110,135,139,143,445,1433,1521
> $target | grep appears | grep up | cut -d" " -f2 >
> $outfile
>
> What this does is "ping" the host via not just ICMP,
> but also via TCP
> connections on the ports listed. :) It makes great
> lists and, as you
> know, it saves tons of time when you import a list
> of active hosts
> instead of just feeding a network.
>
> Hope you like it. :) Oh, and here's my Nmap "Primer"
> which has a
> couple other decent nuggets:
>
> http://dmiessler.com/study/nmap
>
> --
> Daniel R. Miessler
> M: daniel@dmiessler.com
> W: http://dmiessler.com
> G: 0x316BC712
>
>
>
>
>
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