Nmap: Your Network Scanner

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Hey frnzz, der's a nice tool for many of you treasure hunters..... Nmap.....

Its a software which does many useful works:

• Host discovery - Identifying hosts on a network. For example, listing the hosts which respond to pings or have a particular port open.
• Port scanning - Enumerating the open ports on one or more target hosts.
• Version detection - Interrogating listening network services listening on remote devices to determine the application name and version number.
• OS detection - Remotely determining the operating system and hardware characteristics of network devices.
• Scriptable interaction with the target - using Nmap Scripting Engine (NSE) and Lua programming language, customized queries can be made.

In addition to these, Nmap can provide further information on targets, including reverse DNS names, device types, and MAC addresses.

Using this tool, you can discover many new things on your network like the open ports, your server ip etc etc....

Nmap was actually created as a command line interface. But now, its GUI form is also available, Zenmap.

I'm telling you some basic commands for nmap CUI:

• For target specifications:

nmap <targets' URL's or IP's with spaces between them (can also

use CIDR notation)> 
e.g. : scanme.nmap.org, gnu.org/24, 192.168.0.1; 10.0.0-255.1-254

(The command is nmap scanme.nmap.org and similar)

• For OS detection:

nmap -O <target-host's URL or IP>

• For Version detection:

nmap -sV <target-host's URL or IP>

• For configuring response timings (-T0 to -T5 :increasing in aggressiveness):

nmap -T0 -sV -O <target-host's URL or IP>

These commands can be used in linux systems as GUI may be not available for linux.

Get Nmap from Here.....

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So friends, find the best use of this tool and enjoy.....


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