From the course: Complete Guide to Open Source Security

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Installing additional tools

Installing additional tools

From the course: Complete Guide to Open Source Security

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Installing additional tools

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- [Instructor] While Kali comes with many tools installed by default, there are many more that exist in its repositories that are not installed. One of these is a handy Linux auditing tool called Lynis. Let's install it and run it on our Kali system. sudo apt install lynis. Okay, that's installed. Let's check out the help page. lynis -h. And we can see that there are three commands we can use, audit, show, and update. The key command we're interested in is audit. Let's run an audit of our Kali system and see what Lynis picks up. To do this, we type sudo lynis audit system. It's running its audit checks and producing a fair bit of output. We'll let it run to completion. Okay. At the bottom of the report, we find that the hardening index is 61. Let's see what Lynis thinks we can do to improve this. We can see that we've got more than 49 suggestions of things that we can do. If we check the software firewall section, we find we have iptables installed, but an empty ruleset warning. When…

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