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Category: Uncategorized

Posted on August 2, 2017July 5, 2018

NetScaler services flapping with Hyper-V

Last week I was doing a write-up on how to replace MAC-Based Forwarding (MBF) with Policy Based Routing (PBR). This week I want to give you some background on why this should be your general Best Practice on the example of Hyper-V. Continue reading “NetScaler services flapping with Hyper-V”

Posted on July 26, 2017July 5, 2018

Disable MAC-Based Forwarding – Enable Policy Based Routing!

Enabling MAC-Based Forwarding (MBF) has become the go-to solution solution for multi-arm NetScaler deployments and routing issue bodging in a majority of the NetScaler deployments I’ve seen. But is it the right solution for the problems? Usually not. Continue reading “Disable MAC-Based Forwarding – Enable Policy Based Routing!”

Posted on June 15, 2017July 5, 2018

Cascaded Hierarchical GSLB Configurations

Global Server Load Balancing (GSLB) offers a lot of cool load balancing mechanisms out of the box. Active/Active, Active/Passive, Geo-IP based, etc. But what if you want to combine multiple of those in a cascaded/hierarchical load balancing decision? Continue reading “Cascaded Hierarchical GSLB Configurations”

Posted on May 22, 2017July 5, 2018

NetScaler Gateway Password Expiry Warning with nFactor

NetScaler can change expired AD passwords, we all know that. But did you ever wonder if you can implement a warning prior to that expiration date? Well, wonder no longer! Continue reading “NetScaler Gateway Password Expiry Warning with nFactor”

Posted on May 6, 2017July 5, 2018

NetScaler 12 SSL Performance: A Benchmark Test

The marketing claims an insane increase for the NetScaler 12 SSL performance – even on the software based VPX and CPX platforms. Reason enough to dig a little deeper and put this performance claim to a test and I have to admit I’m quite impressed! Continue reading “NetScaler 12 SSL Performance: A Benchmark Test”

Posted on May 6, 2017July 5, 2018

NetScaler Gateway: SAML with multiple IDPs using nFactor

Both SAML as well as nFactor are two NetScaler features that are highly underrated in my opinion. In this example I’ll share with you how I did combine them in a customer deployment to create a quite unique login experience. Continue reading “NetScaler Gateway: SAML with multiple IDPs using nFactor”

Posted on May 3, 2017July 5, 2018

Advanced NetScaler Gateway GSLB Monitoring

I’ve seen a lot of high available NetScaler Gateway deployments configured with Global Server Load Balancing (GSLB) by now. However, I’ve rarely seen any of them being implemented properly in terms of monitoring on the GSLB level which resulted in the high availability being compromised in most cases. Continue reading “Advanced NetScaler Gateway GSLB Monitoring”

Posted on April 29, 2017July 5, 2018

Advanced NetScaler Gateway 11 Customizations

Now with NetScaler Gateway 11 customizations became super easy using the built in portal themes! However, the portal themes have their limits and sometimes you need more flexibility and the ability to go deeper and customize the login page further. Continue reading “Advanced NetScaler Gateway 11 Customizations”

Posted on April 19, 2017January 24, 2019

StoreFront + FAS: You cannot login using smart card

When you implement StoreFront and NetScaler Gateway with Citrix new Federate Authentication Service (FAS) for SAML authentication you almost inevitable will face the “You cannot login using smart card. Please close your browser to protect your account” error after you logout from StoreFront.

Continue reading “StoreFront + FAS: You cannot login using smart card”

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Author

Manuel Kolloff Manuel Kolloff

I work as a consultant for network-infrastructure and security with a strong focus on Citrix solutions.

Currently I’m based in Germany working for Makro Factory, a Platinum Solution Advisor for Citrix.

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Recent Posts

  • Citrix ADC CVE-2019-19781 exploited! What now?
  • Adding custom localized multi-language strings to NetScaler RfWebUI Theme
  • Adding additional languages to NetScaler RfWebUI Theme
  • NetScaler Enhanced Authentication Feedback throws Error Codes with RfWebUI Theme
  • NetScaler services flapping with Hyper-V
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