most of available scanners are paid and this relevant fact hinder some students of understanding how to analyze and invade remote machines . Nonetheless, a good free scanner exists and using it allow you find out any possible flaws : OpenVAS. In fact, OpenVAS is so good like Nessus, Retina or any other famous scanner, and learn it is an easy mission.
Whereas there're some details about OpenVAS configuration,it follows a quick start procedure to configure OpenVAS and use it a.s.a.p. on Kali Linux.
root@hacker:~#openvas-mkcert -f
root@hacker:~#openvas-mkcert-client -n om -i
(The next command is going to require you enter a New password)
root@hacker:~#openvasad -c 'add_user'-n admin_linuxmagazine -r Admin
(These next two steps could take a long time)
root@hacker:~#openvas-nvt-sync
root@hacker:~#openvassd
(Onward)
root@hacker:~#openvasmd
--
rebuild
root@hacker:~#openvasmd -p 9390 -a 127.0.0.1
root@hacker:~#openvasad -a 127.0.0.1 -p 9393
root@hacker:~#gsad --http -only --listen=127.0.0.1 -p 5555
root@hacker:~# /etc/init.d/openvas -administrator restart
Restarting OpenVAS Administrator: openvasad.
root@hacker:~#/etc/init.d/openvas-manager restart
Restarting OpenVAS Manager: openvasmd.
Now, you must open a browser and go to:
http://localhost:5555
If everything installed you will get TOOL UI and you can use it as your VA/PT tool.
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