Nmap Development mailing list archives
a small doubt
From: "Amit Kumar Saha" <amitsaha.in () gmail com>
Date: Sun, 29 Apr 2007 11:39:09 +0530
Hi Sandeep,
I am trying to find out a list of all FTP servers on my college LAN using this command:- $ nmap -n -P0 -p 21 -oG ftpLog.gnmap -iL IPs.txt It returns 110 results. But when I remove -P0 option, it returns only 84 results. Why? Am I doing something wrong?
When you use the -P0 option Nmap does not send *Ping Probes* to the hosts. However without the -P0 option, it does so, and you get lesser number of results in the second case because some some hosts have their firewalls configured to block *Ping Probes* Hope that helps! Cheers! -- Amit Kumar Saha GSM :+91 9903140286 http://amitsaha.in.googlepages.com _______________________________________________ Sent through the nmap-dev mailing list http://cgi.insecure.org/mailman/listinfo/nmap-dev Archived at http://SecLists.Org
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- a small doubt Turbo (Apr 28)
- Re: a small doubt Dude VanWinkle (Apr 28)
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- a small doubt Amit Kumar Saha (Apr 28)