Overview Not all customers are able to use modern authentication methods regarding SAML / OAuth with Identity Providers like Azure Active Directory, Okta and so on – there is still a small but not uninteresting
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Citrix FAS – Azure AD CBA with Primary Refresh Token (PRT)
Overview There are several discussions about the missing Primary Refresh Token (PRT) in the User’s Citrix Session when using SAML / oAuth with Azure AD and Citrix FAS – as using Smartcard to authenticate is
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Citrix NetScaler – Fix broken HTML5 Workspace Sessions
Issue Recently I saw quite a few broken HTML5 Workspace Sessions, when trying to connect via Citrix Gateway (using internal directly HTML5 to Secure ICA is working fine) after updating the Site to 1912 LTSR
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Citrix DaaS – Adaptive Authentication
Overview What is Citrix Adaptive Authentication? It’s part of Citrix Secure Private Access (SPA) and it’s building the authentication engine for SPA and for Cloud Workspace. Technically, Citrix is hosting an ADC HA-Pair on Azure
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Citrix ADC – Always On Machine & User Tunnel VPN
Overview Recently I had the pleasure to implement the Always On VPN mechanism from Citrix ADC. As there are three different technical possibilities, I will give you some insights about my deep dive, which should
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Citrix ADC – Latest Insights about Security Headers
Overview Security Headers are http header, which set additional limitations for a overall higher security when it comes to common attack mechanisms like Cross Site Scripting (XSS), Clickjacking or MIME-Sniffing. A part of most of
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Citrix ADC – An Identity Provider (IdP) Solution with MFA for OnPrem-Services and Citrix DaaS
Overview Recently I had the pleasure of being invited to the SwissCUGC Event in Zurich about the benefits for using Citrix ADC as an overall Identity Provider (IdP). It was really great fun and I
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Citrix ADC – Publishing Manageotp to External with nFactor
Overview Recently I had the requirement to publish the /manageotp Citrix ADC Native OTP Selfservice-Portal to external with the following filtering: If User hasn’t enrolled any OTP yet, log into Selfservice should be Username +
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NVIDIA vGPU – Install and Configure Delegated License Service (DLS) Appliance
Overview As the legacy NVIDIA vGPU License Manager (for Windows and Linux) is deprecated and reaches EOL on July 31, 2023, I was starting to migrate the first GRID customer to the new DLS Appliance.
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Citrix ADC – The ultimate Upgrade Guide
Overview As there are many changes in latest firmware builds of Citrix ADC and I was running in problems after upgrading from older 11.1 / 12.0 / 12.1 to newer 13.0 / 13.1 releases, I
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