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Everything you are asking for can be found here: http://nmap.org/man/
Entries can be in any of the formats accepted by Nmap on the command line (IP address, hostname, CIDR, IPv6, or octet ranges). Each entry must be separated by one or more spaces, tabs, or newlines.
Show only open/possibly open ports
Output to file
On Sat, Feb 23, 2008 at 7:20 PM, Richard Pawly <email@example.com> wrote:
> Can someone pleas help me with a syntax to start Nmap to do the following:
> Import ip address list from file (btw what format and contents should
> the file contain)(can i use DNS name??)
> export results to a file ( i only need to see open ports if thats a option)
> to still scan if does not respond to ping
> i only need to scan tcp/udp ports on routers
> can i scan 10,000 hosts in one command line, or 1 file import of hosts??
> I appreciate any and all direction.