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Sunday, July 20, 2014

Nessus @ Kali Linux

1.  Nessus is a proprietary comprehensive vulnerability scanner which is developed by Tenable Network Security. It is free of charge for personal use in a non-enterprise environment and is the world's most popular vulnerability scanner, taking first place in the 2000, 2003, and 2006 security tools survey.Nessus allows scans for the following types of vulnerabilities:
Vulnerabilities that allow a remote hacker to control or access sensitive data on a system.
Misconfiguration (e.g. open mail relay, missing patches, etc.).
Default passwords, a few common passwords, and blank/absent passwords on some system accounts. Nessus can also call Hydra (an external tool) to launch a dictionary attack.
Denials of service against the TCP/IP stack by using mangled packets
-  Preparation for PCI DSS audits

2.   This post brings you screenshots for installing Nessus in Kali Linux for home users that's the free edition I am using here :

Firstly after installing Nessus from the site,Obtain the activation code for Nessus by registering at

Secondly Activate Nessus by executing the following command:

/opt/nessus/bin/nessus-fetch --register S56X-XXXX-XXXX-XXXX-4122

Where  S56X-XXXX-XXXX-XXXX-4122 should be your activation code received vide registered email.

Create a user account for the Nessus web interface:


To start the Nessus server, we simply invoke the following command:

/etc/init.d/nessusd start


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