As some others unix-like operating systems FreeBSD has some particularities aside to the UNIX heritage, licensing and the like. The init system is the way a system starts up and the BSD has always been different. If you happen to be a UNIX admin I am sure you are aware of this and the folks […]
FreeBSD particularities
How to synchronize system and network time in FreeBSD
For several applications it is necessary to synchronize your server to the network time. The protocol is called Network Time Protocol (NTP) and is basically giving the correct time to the world nowadays. Reading the Wikipedia entry is very interesting. FreeBSD comes with the ntp client. To set this up you will just add the […]
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 […]
Abandon Linux. Rolling back the entire OS is possible.
When I was writing an article on updating FreeBSD from the 11.2 version to the new major release number 12, I was trying to add something extra for those who may read some of the information I publish. FreeBSD as a UNIX operating system has similar functionality to the old school UNIX ones such as […]
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 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 […]
The Original Sin
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 […]
How to import iocage jails to Bastille on FreeBSD 13
Being a fan and heavy user of FreeBSD jails, I’ve been using iocage for years now. However, iocage is not the only tool capable of making abstractions on top of the jail infrastructure in FreeBSD to make it easier to manage in a not just easier way, but quicker, centralized manner. Bastille is the other […]
Nessus vulnerability scanner
Nessus is a very well known vulnerability scanner used by many large and small companies to assess their systems and correct the issues found in them. Cybersecurity teams and specially auditors, make heavy use of tools like this in order to follow up the state of infrastructure and environments. Having a tool like this saves […]
The CentOS party is over, isn’t it?
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 […]