Product: NetScaler

  1. Take the Networking Pop Quiz & Win Big!


    Not a virtualization wiz? No problem. We continue our series of quizzes with our second quiz, focusing on Networking. Think you know NetScaler? Prove it! Take our 10 question quiz and you may be one of the lucky winners of a FREE eLearning course from Citrix Education. All participants will receive 15% off an eLearning course, but there’s less than 2 weeks left – so ...

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  2. How to Prevent a DOS Via User Lockouts at NetScaler Gateway

    Before we begin let me first say… "All NetScaler Gateway landing page customizations are unsupported. Changing the NetScaler Gateway landing page will cause you to have an unsupported environment. I do not condone malicious attempts to lockout user accounts. The purpose of this article is to highlight a current risk and mitigation steps." Now that that is out of the way, let’s start with the customizations ;-) The ...

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  3. My Top Picks for Citrix Synergy Sessions and Labs


      One of the most important qualities of Citrix Synergy 2015 in Orlando, May 12–14, is the balance it strikes between strategy and tactics, providing both “big picture” business and technical vision along with practical training. Synergy achieves this balance with breakout sessions and labs that welcome a wide variety of presenters—including customers, analysts, and IT vendors—alongside Citrix experts. It’s a great mix that sparks thought-provoking discussion ...

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  4. Application Firewall Signatures Download Script


    The following blog article is a result of experience gained in the field.  The CTX138858 article which features the signature auto update feature of application firewall.  This process is pretty seamless and straight forward if the NetScalers have access to the internet, but can become problematic if they do not have internet access.  The article outlines the process of how to manually download the required ...

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  5. The Top Five Sessions at Citrix Summit 2015


      It’s taken some time to read through all of your excellent comments and do a final report of post-event surveys about the breakout sessions at Citrix Summit 2015. Success! I’ve come up with a tally of the top five sessions from Las Vegas. Just a note that there are many methods for compiling ratings like these—I’ve chosen to use the amount of buzz these sessions ...

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  6. Citrix XenApp & XenDesktop 7.6 Administrator’s Survey


    Calling Customers and Partners! Do you have experience using XenApp or XenDesktop 7.6 in either pilot or production environment?  Have you assisted in the design, deployment, or ongoing management of the product? If yes, Citrix would love to hear from you!     Share Your Feedback This is your chance to share your assessment of the latest product release directly with Citrix Product Management and Design teams. This survey is intended ...

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  7. NetScaler Policies – Simplifies Client-IP Insertion on Backend


    As the CDN networks and Secure Web Gateways grow in terms of practical usage, it becomes even more challenging to preserve the Client-IP throughout the path to the last leg. We get this question often.  We addressed it directly in this 2012 blog post: ( What we did not cover was the actual implementation of this concept as how one can read the IP address ...

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  8. Wind Hellas and the Mobile Subscriber Win-Win

    WIND thumb

    Millions of mobile subscribers in Greece are now enjoying a better mobile data experience, one that’s likely to see them watching more video over the 3G and LTE network of their mobile operator, Wind Hellas. That’s good for subscribers, as they can spend more time enjoying and less time waiting for videos to play. It’s good for Wind because the more those subscribers delight in the ...

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  9. Citrix XenServer: How to Access XenStore Information, from a Windows Guest VM, Using WMI Interface


    A while ago I wrote a Knowledge Base article (CTX136426) documenting the Windows Management Instrumentation (WMI) available in XenServer to transfer data between the hypervisor and an operating system within a VM such as a XenDesktop or XenApp VD. I still frequently get enquiries on our SDK forum that are basically looking to see if such an interface exists so I’m republishing my article here ...

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  10. Making the Citrix License Server (Truly) Highly Available

    Citrix License Server

      I'll begin by saying that this solution is certainly not for everyone.  It adds complexity.  It creates additional management overhead.  It requires NetScaler integration and mildly advanced networking skills.  We have never publicly documented the solution before this week.  But it is absolutely the only bulletproof solution for making our License Server (LS) truly highly available in an active/active fashion without any downtime. And while we ...

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