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 […]

A word on Spectre and Meltdown

How to set CentOS 7 repositories
CentOS is the free open source replica of the well known Red Hat Enterprise Linux (RHEL). With a very good reputation because of its stability and performance RHEL is nowadays the dominating GNU/Linux distribution in the enterprise environment. As a gift, in a similar fashion to Microsoft’s Windows trial versions (without limits to the use), […]

How to install OSSEC agents on Windows
On a recent post I published about how to install an OSSEC server on Ubuntu I explained how this solution can help secure an infrastructure by deploying agents which report back to a central server. This is the second part of this server-client story. On this guide you will read about setting up agents and […]

How to install WordPress on FreeBSD
You can find information about how to install WordPress on FreeBSD somewhere else since there are many tutorials around explaining it. However I thought mine would be a bit more interesting to you. Read on. As you should be aware (and hopefully you already are) installing WordPress requires a stack of other software. Typically you […]

How to configure Modsecurity 3 for WordPress on FreeBSD
A few weeks ago I wrote a guide on how to install Modsecurity 3 on Apache HTTP for the FreeBSD operating system. However there’s a catch with that setting and with Modsecurity in general. As good as it is as a WAF you need to at least adjust its configuration to the tool one pretends […]

How to mitigate Spectre and Meltdown on a Lenovo T430s with FreeBSD
As recently announced in a previous article I wanted to write a couple of guides on how to mitigate Spectre and Meltdown vulnerabilities in GNU/Linux and UNIX environments. It is always a good and I hope a standard practice to have your systems patched and if they aren’t for whatever the reason (that legacy thing […]

How to test pfSense on VirtualBox running on FreeBSD
There are other guides on how to do this on Windows, Mac, but not on FreeBSD, so here goes a how to pfSense on Virtualbox running on FreeBSD. Before going to it, let’s address the first question, which is what is pfSense. pfSense is a FreeBSD based distribution made for networking purposes. The company behind […]

Abandon Linux. How to install iocage to manage FreeBSD Jails
The iocage program is a python 3 piece created to manage FreeBSD Jails leveraging the underpinning ZFS file system on FreeBSD. As already explained on previous articles the FreeBSD operating system offers an OS-level virtualization system called Jails. And as described on past articles it can benefit administrators and developers alike. This is a simple […]

How to use Fail2ban with WordPress
In a previous article we did an install of Fail2ban on a FreeBSD server. This tool can help us to protect our WordPress install, independatly from if we are using the FAMP stack or the LAMP stack. As I mentioned on that article Fail2ban is a complementary tool to our firewall. It works by scanning […]

How to install Nessus 10 on FreeBSD 12
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 […]
