Now, Register Nessus by entering the activation code which was sent to your register email. Select Nessus Essentials and press the continue button. Now go to your browser and enter your server name or IP along with the default port of Nessus. To do so run the following command:įirewall-cmd -zone=public -add-port=8834/tcp -permanent firewall-cmd -reload Now run the following commands to start the Nessus service, enable that server at startup and check Nessue service status by running the following command: sudo systemctl start rviceĪt this time Nessus service running on default port 8834 successfully, Before you start post-installation, you need to open up that port in your firewall. Then below command to install the package. Now upload Nessus rpm package on the server. Then download Nessus package for CentOS 8. You will get that activation code in your registered email. Here you need to Register for an Activation Code. To do so run the following command:įor Nessue Essentials go to the below URL and click on the download button. Getting Startedīefore starting the installation of Nessue it is recommended to update your system packages to the latest version. PrerequisitesĪ root password is configured on your server. Nessus is a cross-platform vulnerability scanner and supports many OS, but in this article, we will show you how to install Nessue Essentials on Centos 8. Nessus is available in many different versions, In this tutorial, we will install the free version of Nessus knows as Nessus Essentials which can scan 16 IPS. It provides detailed system security reports which will be very helpful for fixing any vulnerabilities and make the server more secure. Nessus does not actively prevent attacks, It will check security loopholes present in infrastructure. Nessus scans the system and raises an alert if it discovers any vulnerabilities that malicious hackers could use to gain access.

Nessus is one of the most popular remote vulnerability assessments trusted by more than 30,000 organizations worldwide.

How to use nessus vulnerability scanner