NetScaler – Native OTP is breaking SSL VPN

If you are using NetScaler OTP authentication on your Gateway watch out when working with SSL VPN. After creating the session profile/policy I was able to connect to the Gateway and access some of the internal ressources. Unfortunately I couldnt get a working RDP connection or access some management websites via https (custom port).  I... Continue Reading →

Citrix NetScaler SD-WAN 101 – Build a Lab Infrastructure

  General Deployment Methods Building a NetScaler SD-WAN Lab Network Diagram Overview Lab Infrastructure Preparations Create the virtual networks Install VyOS Routers Configure VyOS Routers Install & Configure the WAN Emulators Network Test Create the Datacenter and Branch Client Import the NetScaler SD-WAN VPX (Datacenter) Configure Management IP Address Licensing General Settings (NTP, TimeOut) Create... Continue Reading →

NetScaler – Monitors going UP/DOWN (packet loss)

Two weeks ago one of my customers had huge problems with their internal load-balancing NetScaler. The VPX suddendly started to turn crazy. StoreFront and DNS Monitors went online/offline every few minutes. Sometimes the secondary note switched to the primary node and backover.  The dashboard always looked like this: (The load balanced services havent been accessible... Continue Reading →

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