High CPU usage on Citrix ADC VPX

While building a small Citrix NetScaler… ehm… ADC VPX (I really hate this name…) lab environment, I noticed that the fan of my Lenovo T480s was spinning up. I was wondering why, because the VPX VM was just running for a couple of minutes - without any load. But the task manager told me, that the VMware Workstation Process was consuming 25% (I have a Intel i5 Quad Core CPU) CPU.

NetScaler ADC - Hidden vServer for HTTPS redirect

Starting with release 11.1, NetScaler ADC offers an easy way to redirect traffic from HTTP to HTTPS within the configuration of a load-balanced vServer. With 11.1, Citrix introduced the paramter -redirectFromPort and -redirectURL. While playing with a NetScaler ADC in my lab, I discovered a strange error message as I tried to configure the redirect. Patrick Terlisten/ Creative Commons CC0 Internal vserver couldn’t be set?! Okay, there was already a vServer, that was listening on port 80.