Disclaimer: What you are about to read may contain inaccuracies. Feel free to discuss them somewhere else. This is also my opinion and as such it may change through time, maybe tomorrow, next month, next year, next decade or never. I do also make very few reviews (if any) of what I write here so […]
The Original Sin
How to install MariaDB in FreeBSD
MariaDB is a derivative from the world-famous enterprise class MySQL database. The MySQL founder is Michael Widenius, also known as Monty. He created the project, it worked out for some time, it caught Sun’s attention and they bought it. Then Oracle bought Sun and knowing Larry everyone left running without looking what was left behind. […]
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 […]
ARP spoofing attacks
ARP spoofing attacks are quite harming and they can easily constitute a man-in-the-middle (MITM) attack. They consist on the attacker sending ARP packets into the network the victim is located, typically redirecting traffic to the attacker’s machine. Once this is achieved the attacker can sniff all the traffic sent by the victim’s device and obtain […]
How to manage site visitors based on IP Geolocation
Whenever someone publishes a website on the internet, most of the times, their intention is that site to be seen around the globe. However, as a site administrator you may want to divert users from one country to visit some specific version of that site, maybe because of the visitor’s language. Other times, less often […]
How to install Webmin on FreeBSD 12
Webmin is a fantastic tool for those willing to administer UNIX or unix-like systems through a GUI interface. While the CLI interface lets any user to interact with these kind of systems to the very core and extract all the juice, there are tasks where the graphical interface makes sense and its visual and quick […]
How to enable TLS traffic from the origin server on Cloudflare Argo Tunnel
As it can be read in the last post, setting up a Cloudflare Argo Tunnel to serve web content from home or corporate network without poking holes to it, is quite easy to achieve. In this article I’ll show you how to enable TLS traffic from the origin server on Cloudflare Argo Tunnel. Obviously, you […]
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 […]
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 mitigate/solve the MDS vulnerabilities of Intel processors in FreeBSD
It had to happen again. Anyone betting on new hardware vulnerabilities on Intel processors would have won. This time these are called the MDS vulnerabilities, which stands for Microarchitectural Data Sampling. The trouble is the ones who would have really made big money would have been those stating the new CPUs were on the same […]