NetScaler Archives - Jeroen Tielen

Upgrading Citrix NetScaler VPX to the Nutanix AHV version

Jeroen — Tue, 24 Mar 2026 15:00:57 +0000

Citrix has released a Nutanix AHV version of the NetScaler. This runs on a Linux kernel while the older model was running on a BSD kernel. At the moment if you want to upgrade to the latest version you will see this message: So the traditional upgrade method will not…

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Citrix ADC / NetScaler IPv6 Black and Whitelist

Jeroen — Tue, 23 Nov 2021 17:22:11 +0000

In this blog post from begining 2020 I created a black and white list for IPv4. Here is an update to achieve the same but then for IPv6. If you dont have IPv6 running already read this post 😉 Note 1: The defaults are just for example and you need…

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Enabling IPv6 on Citrix ADC and create simple IPv6 to IPv4 proxy

Jeroen — Mon, 01 Nov 2021 13:50:03 +0000

I’m seeing more and more IPv6 implementations in the wild. And even IPv6 only Citrix ADC gateways. I decided to write this blog post to get a head start how-to enable IPv6 and create a simple IPv6 load balancer (with IPv4 backend service) on the Citrix ADC. First we need…

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Warn Users They Are Using a Legacy Browser

Jeroen — Thu, 08 Jul 2021 18:57:19 +0000

Microsoft announced that Internet Explorer will be out of supported starting 15 July 2022 for certain Windows 10 versions. (more info here). Here is a responder policy for the Citrix ADC which you can bind to a gateway, lb, cs, etc to alert users they need to use a different…

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Rewrite StoreFront Logo Based On Group MemberShip

Jeroen — Wed, 09 Jun 2021 12:56:12 +0000

Some service providers are hosting environments for different customers. So they all just stick to the default StoreFront logo (top left). After some branding and customisation the StoreFront page can look like this: Now I want that logo to be different for the member of ad group: “Microsoft Employees”. My…

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Add Link or Comment to Citrix ADC Logon Page

Jeroen — Tue, 04 May 2021 09:35:38 +0000

Update 05-04-2021: Changed the loginschema to show the link above login button and changed script.js to match css. Update 23-12-2021: Removed typo in the login schema, thanks Sander Bierman 😉 You are probably reading this as you found out the hard way that rewriting the logon page (AAA virtual server /…

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LAB Update

Jeroen — Sun, 31 Jan 2021 19:16:54 +0000

I’m running my lab for years now. And it is always a changing thing. But last week I got my hands on an very old Citrix NetScaler MPX5550. It’s way past his warranty and I saved it from getting shredded 😉 In my home I have a small 19″ rack…

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Random background in StoreFront and NetScaler logon pages

Jeroen — Mon, 05 Oct 2020 13:05:17 +0000

Perform the following steps to get a random background picture on the StoreFront and NetScaler logon page. For a demo visit https://portal.tyl.nl and refresh the page a couple of times. StoreFront: First we start by gathering all the background pictures you want (dont forget copyrights) ; Upload the pictures to…

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Citrix ADC / NetScaler update to LDAPS

Jeroen — Sun, 19 Jan 2020 08:15:27 +0000

Microsoft is going to release an update which will turn off unsigned LDAP requests on Domain Controllers. This update will be released in March this year (2020). More information here: ADV190023 Although I assume everyone is already using LDAPS instead of LDAP like everyone already mitigated the ADC’s back in…

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Citrix ADC / NetScaler Client IP or Subnet Black and Whitelist

Jeroen — Sat, 18 Jan 2020 09:19:32 +0000

Because all the commotion about the NetScaler vulrenability I decided to share my Client IP black and white list. This script will create a pattern set which you can fill with ip’s or subnets. This pattern set is used in a policy expression which is used in a responder policy.…

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Scoring an A+ In Securityheaders.io

Jeroen — Fri, 24 Nov 2017 14:44:31 +0000

At the moment we all know how to score an A+ in ssllabs.com for our NetScaler Gateway but can we also score an A+ on securityheaders.io? My test environment currently has this score on ssllabs.com And this score on securityheaders.io As you can see I already did some preparations before…

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Nederlandse Vertaling Citrix Netscaler

Jeroen — Tue, 26 Nov 2013 15:03:25 +0000

Aangezien de Citrix Secure Gateway langzaam aan het verdwijnen is. Hierbij de Nederlandse vertaling voor de Netscaler. Samen met de Nederlandse vertaling voor Storefront kan je hiermee een geheel Nederlandse website opzetten voor de gebruikers. Installatie handleiding is toegevoegd in de zip file. Op en/of aanmerkingen kunnen via de email…

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