WMI (Netstat): Same as above using a Windows application, this option will work only against a Windows target (while the SSH only on Linux systems). Nessus will run the netstat command from the target system to discover open ports. SSH (Netstat): This option will work only if you provide login credentials.

In this section you can edit all ports settings, port ranges, etc. In order to understand the differences between the protocols mentioned I encourage you to read the Nmap tutorial which includes an introduction to the protocols. TCP: TCP will ping using TCP protocol instead of ICMP protocol.Īssume ICMP unreachable from the gateway means the host is down: If chosen, Nessus will consider targets which don’t reply to ping as offline.īelow in this window there is the UDP option too (the screenshot didn’t cover it). Now a form will ask for the information about our target:įill it freely, pay attention to write a proper target’s address,click on save and lets check the rest of options: Discovery HostĪRP: This option is useful only within local networks and will use the mac address instead of the IP address. In this screen we’ll intuitively select “create new scan”, Nessus will ask you what kind of scan you want, lets choose Advanced scan, the first option: In the next screen select the use you’ll give to Nessus and put the trial code you got by e-mail.Īfter filling everything Nessus will start initializing as shown in the next image, this step may take about 20 or 30 minutes, after finishing the next screen will be: Just add an exception and continue accessing:įinally we’ll meet Nessus’ screen, login using “admin” both as user and password. When opening the Web interface, a SSL error may appear Your terminal should show very similar results to the following:įollowing Nessus’ installation instructions lets go to: (change YOURPCNOW for your computer’s name, works with localhost too).

How to use nessus professional