Category: Other

Wireless Networking in Windows Server 2019

The other day I installed a NUC with an integrated wireless NIC. I installed Windows Server 2019 to the NUC and installed the wireless networking drivers from Intel’s website. The problem was that after I’ve installed the network drivers they didn’t work. After a lot of trial and error I discovered that you cannot use…



What is ReasonML and why should you care?

ReasonML is a alternate syntax for OCaml, a language developed for more than 20 years with a strong emphasis on security and expressiveness.



BIND CERTIFICATES TO CAPTIVE PORTAL IN ARUBA CENTRAL

When creating a new Guest Splash Page with either Anonymous, Authenticated or Facebook WiFi the users will encounter an certificate-error after authentication to the Captive Portal. This is because the users is redirected by standard to securelogin.arubanetworks.com or securelogin.hpe.com which uses the built-in certificate contained in Aruba Central. Since you will most likely have external…



How to manually crash your VM on a XenServer

Sometimes you need to simulate or provoke a crash on a Virtual Machine to either verify a problem or get a Memory Dump to have a closer look at whats is happening with the Virtual Machine. The thing is, its quite tricky to do that manually. Lucky for you there is a quite simple way…



How to handle pinned start menu apps in Windows 10

As I have been working with customizing Windows 10 for a while now, it has never worked against me this much. However, sometimes Windows do have its ways of working against you. With challenges like these you get the opportunity to spend a lot of time coming up with a solution. So this blog post…



Create Threat Exceptions for specific traffic

At some point you might encounter a false-positive threat that you want to make an exception for. If you know a file is safe if its downloaded from a specific place but you don’t want other files classified with the same threat ID/name to be whitelisted, you can create a separate security profile. Start by…



Smart Check – Monitor Your Citrix Sites

Citrix Smart Check is a software and a service that installs on a Citrix Delivery Controller and collects diagnostic data, sends it to the Citrix Cloud account, where it gets analyzed and presented on the Citrix Cloud website. The information helps Citrix administrators to prevent and resolve issues before they happen or impact the users,…



Netscaler: Resolve large http POST packets against AAA protected LB vServers

Recently while working with two customers and setting up load balancing and external access to some of their applications, I’ve encountered issues with large POST packets (either large form submits or file uploads in the web app) stop working when AAA is activated on the load balancing (LB) vServer. In these cases the backend web…



Teams in your Multi-user environment done right!

Microsoft Teams is on the rise, more and more businesses is seeing the potential of Teams and want a piece of the action. Unfortunately Microsoft Teams is not ideally designed to work on a Multi-user environment like Citrix Xenapp or Microsoft Remote Desktop services. It is entirely installed in the users profile, and its quite…



HOW TO: Configure BGP between Arista and Palo Alto using loopback-interfaces

In this example I will be showing you how you can configure BGP between Arista and Palo Alto. The setup has two Arista COR-switches which is configured with MLAG and a Palo Alto Networks firewall. The goal is to use iBGP between the Arista-switches and eBGP between the Arista-switches and Palo Alto. We will also…