Working with Nessus scan results is easy. How do I know that? Because I’ve worked with this tool for some time and although I do not know every corner of the things I’ve been doing some scans and solving quite a few deffects on systems that were labeled as ‘production ready’ when they clearly weren’t. […]

How to work with Nessus scan results

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 […]

How to install sudo in FreeBSD
Sudo is a very useful application. It allows a regular user to perform tasks only reserved to the root account. There is lots of documentation about sudo and there is even a book about it called “Sudo Mastery”. If you need to investigate deep on this, buy it. Why do you need this? Well… Everyone […]

What is GNU/Linux?
To answer this question one must split it. Plus make other questions like: «What is a, so called, Linux distro?». It seems complex and it is in a way. But let´s explain GNU/Linux in simple terms. GNU stands for GNU is Not UNIX. So it´s clear is not UNIX but it´s related to it in […]

Absolute FreeBSD 3rd Edition Book Review
Absolute FreeBSD 3rd Edition from Michael W. Lucas, printed by ‘No Starch Press’, is an absolute (pun intended) must have for every BSD user and I’d go so far as to say to every UNIX and Linux user indeed. If you find the articles in Adminbyaccident.com useful to you, please consider making a donation. Use […]

How to install the FAMP stack
You may have heard of the LAMP stack which stands for Linux, Apache, MySQL and PHP or Perl. This is the same but instead of using the GNU/Linux operating system we’ll use FreeBSD. This is the FAMP stack. There are two ways to install software in FreeBSD, packages and the ports collections. Which in the […]

How to configure TLS 1.2 on UNIX or GNU/Linux
This is an article willing to help and point out a few useful resources for those using Apache HTTP or NGINX web servers that are still using the deprecated SSLv3, TLS 1.0 and/or TLS 1.1 verions. If you find the articles in Adminbyaccident.com useful to you, please consider making a donation. Use this link to […]

Abandon Linux. Jails for developers.
Reading the title you might think I want to put developers in Jail and although some may be good candidates this is in the far opposite of my intention. I am talking about FreeBSD Jails. For the unfamiliar with the concept those Jails are userland secure contained environments that share a common kernel. Purists and […]

How to configure the PF firewall on FreeBSD
There are three firewall options on FreeBSD. The in-house built IPFW, the ‘old’ IPF (known as IP Filter) and PF ported from OpenBSD. PF is a very popular piece of software which was originally sparked from an issue on the IPF license that prevented making changes publicly available, which the OpenBSD did all the time. […]

WordPress administration over SSL
If you are a WordPress user or prettend to become one and you have some IT administration knowledge this guide is of your interest. Many hostings already provide easy point and click solutions to administer WordPress over SSL. However you may be self hosting WordPress or you’re just a curious person. What is TLS? TLS […]
