Category: Support

Certification Authority Authorisation

Certification Authority Authorisation (CAA)

Certification Authority Authorisation (CAA) allows a DNS domain name holder to specify one or more Certification Authorities (CAs) authorised to issue certificates for that domain. This way a public Certification Authority can implement addition controls to reduce the risk of unintended certificate mis-issue. Earlier this year a ballot passed to make CAA checking mandatory. Which means that a CA will check the authorisation before issue-ing a certificate.
This article also describes how it works and how to configure this for your domain.


How to prioritise defects or bugs

It’s not easy to rank defects on priority while doing Corrective or Preventive Maintenance. In this how to I set up a guide you can use based on impact, severity and urgency. Also I discuss if it’s worth to fix a defect.

Types of Software Maintenance

A Software Maintenance Foursome

These days it’s rare to build a system from scratch. Software maintenance gets more important every day. Let’s take time to talk about the different types of software maintenance. The types of Corrective and Preventive Maintenance are for corrections on the software. Adaptive and Perfective Maintenance are the types for Enhancements on the software.

Testing with mail servers

On several projects I’ve seen that a test and development environment needs a email server. Most of the times it’s not wanted that the emails are really send out. So I started a search...