NMAP Feature Request

["Mark Maxey" <MMaxey () accuvant com>]

Perhaps this is already in nmap and I haven't figured out how to do it
yet.

Could someone add an option to perform do the following.

Ping a host, if the host is down move forward with a port scan. If an
open port is identified stop scanning that host and move onto the next
one in the list. Basically a really fast discovery scan that only notes
if the host is up. Is there any way to achieve this type of scan with
nmap right now? I don't want to identify open ports, just scan until it
finds an open port on a host, then note the host is alive and move onto
the next host.

This would be extremely helpful in performing large discovery scans on
huge networks.

===========================================
Mark Maxey | Security Consultant | Accuvant Louisville, KY | C:
859.948.5841 

http://www.accuvant.com


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