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Re: ping before scan of the host

Subject: Re: ping before scan of the host
Date: Sun, 30 Jan 2005 09:49:47 -0500
You just need to select "Ping the remote host" in port scanner section.
You can change ping options in plugins preferences (TCP ping, ICMP ping ...)


Nicolas


chmod077@gmx.de wrote:
Dear scanners,
I have to scan a range of IP's automatically (via commandline)
e.g. 10.1.2.0/16.

And I really do not know, which IP's are online.
I want to prevent my scan from taking hours or days because
of waiting for timeouts....

I read about switching off the nmap portscans inside Nessus because of
timing problems.

So I think about doing a ping before scanning
each of the boxes.



Can this ping being done inside the Nessus scan?
If yes, what is to do?
OR
Is it better to


first do a nmap-ping-scan > file_of_IP_alive
then  do the nmap-scan with [file_of_IP_alive] as input ?

would be nice to get a hint.
Thank you all.



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