Enable TLS for Postfix on Ubuntu
Regarding the Postfix documentation, TLS support is turned off by default, so you can start using Postfix as soon as…
Code Signing in Visual Studio
In this post I want to show how you can sign your Visual Studio application by using a X.509 code…
Prevent Members from Domain Users Group to Logon by default to any Domain joined Computers
In this post I want to show how you can prevent that domain users can logon by default to each…
Wireless 802.11 RADIUS Authentication over Site-to-Site IPSec VPN Tunnel failed
In my post below I will show how to set up a lean branch office network without any servers and…
Active Directory Certificate Mapping – Implicit vs. Explicit
In Active Directory you can use certificate mapping to bind an identity to a X.509 certificate, which then can be…
Using HTTP Strict Transport Security (HSTS) with Apache2
Securing the connection to a website by using a HTTP 301 Moved Permanently response status, to notify the user’s browser…
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…
