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This particular host has quite a bit of open network ports. Let’s try letting nmap port scan these specific hosts and see what turns up. This time nmap returns some prospective hosts for scanning! In this command, the -sn disables nmap’s default behavior of attempting to port scan a host and simply has nmap try to ping the host. Nmap – Ping All Connected Live Network Hosts This next trick will tell nmap to simply try to ping all the addresses in the 192.168.56.0/24 network. Not to worry though, there are some tricks that nmap has available to try to find these machines. Find and Ping All Live Hosts on My Network Sometimes this is a factor in the way certain Operating Systems handle port scan network traffic. Sadly, this initial scan didn’t return any live hosts. This scan is known as a ‘ Simple List’ scan hence the -sL arguments passed to the nmap command. A quick nmap scan can help to determine what is live on a particular network. Let’s say though that the IP address information was unavailable. The Kali machine has an IP address of 192.168.56.101 and the Metasploitable machine to be scanned has an IP address of 192.168.56.102. In this example, both of the machines are on a private 192.168.56.0 /24 network. This made things easier and safer since the private network range would ensure that scans remained on safe machines and prevents the vulnerable Metasploitable machine from being compromised by someone else. For this particular tutorial, a private network with a Kali machine and a Metasploitable machine was created. Once a terminal has been launched, the nmap fun can begin. All shell programs listed will work for the purposes of nmap. ![]() #Terminal vs uxterm vs xterm install#The author is a fan of the shell program called ‘ Terminator‘ but this may not show up in a default install of Kali Linux. Navigating to a terminal can be done as follows: Applications -> System -> ‘ Xterm‘ or ‘ UXterm‘ or ‘ Root Terminal‘. By clicking on the desktop background, a menu will appear. Once logged into XFCE, a terminal window will need to be opened. Once logged in to the Kali Linux machine, using the command ‘ startx‘ the XFCE Desktop Environment can be started – it is worth noting that nmap doesn’t require a desktop environment to run. #Terminal vs uxterm vs xterm password#The first step to working with nmap is to log into the Kali Linux machine and if desired, start a graphical session (This first article in this series installed Kali Linux with the XFCE Desktop Environment).ĭuring the installation, the installer would have prompted the user for a ‘ root‘ user password which will be needed to log in. A valid working connection to a network or if using virtual machines, a valid internal network connection for the two machines. ![]()
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