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 for that. This is why … [Read more...]
How to install Docker on Ubuntu 18.04
Operating System level virtualization is hitting hard now, as much as VM’s did just a few years ago. Docker is the popular framework for this matter, the new kid on the block so to speak. This is the hot spot now and if anyone wants to appear knowledgeable about system administration knowing this technology is the mandatory new subject to deal with. However is this technology … [Read more...]
A brief introduction to Regular Expressions
A regular expression is a set of characters, a string of characters if you will, that specify a pattern. Ever used the grep command? It makes use of them. The ‘grep’ command is very handful when one needs to look for certain things inside a text file, or looking for some specific pattern from another command output. In this brief introduction to regular expressions you will … [Read more...]
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 log files and banning IPs suspicious activity reflected on those very logs. If … [Read more...]
How to patch Spectre and Meltdown the ROM way
In a previous article I briefly, sort of, talked about the Spectre and Meltdown vulnerabilities. I have also written two guides to patch them from the OS side using a UNIX flavour from the BSD camp and a GNU/Linux distribution. Both actions resulted successful but there is a third way to patch this vulnerabilities. Regular OS patching should solve the issues these collection of … [Read more...]