Nessus is a professional vulnerability scanner from the reputable cybersecurity company Tenable. I have already written about it in the past but installing it on a GNU/Linux distro. This very article will guide anyone to install Nessus 10 on FreeBSD, since Tenable is releasing binaries for FreeBSD 11 and 12 as of the time of […]

How to install Nessus 10 on FreeBSD 12

How to enable SSL on Apache on FreeBSD
On this guide you will read about a simple way to enable Apache’s TLS connections on your web server. Aside from useful it secures the connection from the client to the server and prevents unwanted tinkering. Anyone on the need of SSL (nowadays TLS) will benefit from this article but particularly will do those in […]

How to patch OpenSSH in FreeBSD 12.2
The default version of OpenSSH in FreeBSD 12.2 today, and it’s been this for quite some time, is not the most recent published by the OpenBSD guys, which by the way are the ones developing OpenSSH. Not only is not the latest but it has a few vulnerabilities affecting it, medium risk ones but nevertheless […]

How to install Redis for WordPress on FreeBSD
I happen to self-host a few WordPress sites on FreeBSD. And as much as one can configure OP-Cache to improve PHP’s performance, object cache is a must for many WordPress sites. This how to install Redis for WordPress on FreeBSD will explain how to install an object cache (Redis) for WordPress (via plugin) on this […]

How to configure Apache HTTP as a reverse proxy on FreeBSD
Apache HTTP as a reverse proxy consists on setting an Apache HTTP server as a frontal access for one or multiple backend servers. In the recent years many have started using NGINX as a reverse proxy since this piece of software really shines for serving static content an acting as a cache server. This doesn’t […]

A word on Spectre and Meltdown
As professionals and many aficionados know, early this year some widespread vulnerabilities were found on Intel CPU’s as well as on AMD’s. It was a bit later discovered the flaws also affected some RISC architectures such as Power and ARM. Everybody went nuts and the world seemed to be tumbling because of two CPU vulnerabilities […]

How to configure FreeBSD to use a webcam (version 12 and 13)
Introduction. Unlike many Linux distributions the FreeBSD operating system comes quite crude out of the box. What others will interpret as a disadvantage, with some knowledge on the system, others see the power to serve. Anyone willing to have a nice FreeBSD desktop experience with little effort, there are a couple of BSD-based distributions, like […]

Exploiting CVE-2019-0708 Remote Desktop Protocol on Windows
The CVE-2019-0708 is the number assigned to a very dangerous vulnerability found in the RDP protocol in Windows sytems. This is also known as the ‘Blue Keep’ vulnerability. The issue was so critical that Microsoft did even release patches to unsupported operating systems such as Windows XP or Server 2003. To this day there are […]

How to detect a WAF – Web Application Firewall
From a penetration testing perspective to identify if a Web Application Firewall (WAF) is in place is essential. The next question is, does an administrator need to know this? My view is, anyone who is in charge of any system that has implemented some sort of WAF needs to verify this tool is working, at […]

How to find vulnerabilities in your WordPress with WPScan
Vulnerability scanners are useful tools for administrators and security analysts alike. For the casual WordPress user tools like WPScan may look excessive and complicated for their knowledge, they just need their blog, web page, whatever they’re doing up and running. Any complex administration bothers them to the max, and there are good and valid reasons […]
