Numbering the IPv4 and IPv6 WAN Link between ISP and Customer
In this post I want to show the different alternatives Internet Service Provider (ISP) can use to numbering their IPv4 and…
pfSense Boot Loop after Power Outage
A few weeks ago I installed pfSense 2.5.2 on a kettop Mi4005L Mini PC. This Mini PC uses an Aptio…
Apache HTTP Server and .htaccess
In this post I want to summarize some information about securing your Apache websites. This topic is well documented from…
Set up Fail2ban on Ubuntu 20.04.3 LTS
In this post I want to show how to install and use Fail2Ban on Ubuntu. Fail2Ban is an intrusion prevention…
Nikto Web Server Scanner
In this post I want to show how to install and using the nikto command-line vulnerability scanner. Introduction Nikto is…
Set up ModSecurity (Libmodsecurity | ModSecurity v3 project) for Apache on Ubuntu
In this post I will install and configure Libmodsecurity which is a complete rewrite of the ModSecurity platform (aka ModSecurity…
SSH Session Timeout – TCP Keepalive
In case your ssh connection is permanently disconnected in idle state, you can enable TCP-Keepalive either on the ssh server…
Set up MediaWiki on Ubuntu 20.04.3 LTS
In this post I want to go through the separate steps to set up the open source software MediaWiki on…
Move Home Directory to another dedicated Drive/Partition in Linux
By default the home directory will be installed within the OS hard drive and root partition. Below you will see…
Change Owner for Azure AD joined Windows 10 Devices
Under Azure Active Directory – Devices – All devices you will get a list of all devices which are Azure…