Replace Nutanix SSL certificate with Let’s Encrypt certificate

Here’s a powershell script to generate a Let’s Encrypt certificate and upload that certificate to your Nutanix cluster and/or Prism Central. I want my clusters to be available via: The tielenconsultancy.nl domain is avaiable on the internet and internal. The clusters aren’t available via the internet offcourse 😉 So this… Continue reading

Harden on-premises XenMobile appliance(s)

The Citrix XenMobile (Citrix Endpoint Management) on-premises appliance comes default with no hardening. This means that running SSLLabs against the mdm ssl_bridge you will get the following score: As you can see not the best setup 😉 I noticed that a lot of XenMobile, on-premises, environments aren’t hardend. So here… Continue reading

Ubiquiti Unifi Controller SSL Certificate creation process

Ubiquiti has a little article on the site how to add yout own ssl certificate to your Unifi controller. But they made it a bit to complex 😉 Read article. First let me explain what kind of certificate the Unifi controller wants to have: The controller works with a keystore… Continue reading

Getting a perfect A+ ssllabs.com score

Yesterday evening I was trying to get my A+ score even better. Currently I was having this score: And offcourse, nerds as we are, I wanted to get the perfect score. With perfect I mean that all bars are 100% green. On my Technical Fellows whatsapp group we where challenging… Continue reading

Configure Citrix Receiver allowed authentication protocols

The Citrix Receiver can use a lot of authentication methods. When you implement the fast connect API as described here: https://developer-docs.citrix.com/projects/fast-connect-api-for-receiver-for-windows/en/latest/setting-up-your-environment/ You notice that you have to enable HTTPBASIC within the registry. If you are familiar with this setup you probably know that the other authentication methods will not work anymore…. Continue reading