December 2016 - msandbu.org

XenDesktop EDT over NetScaler – Benchmarking

Leave a Comment / 30. December 2016 30. December 2016

With build 11.1, 51 Citrix released support for EDT over NetScaler. Which I have blogged about before which excels in situations where latency is high, packet loss is at a minimum. EDT Networking deep dive –> http://msandbu.org/benchmarking-adaptive-transport-for-hdx/ Enabling EDT in NetScaler –> http://msandbu.org/enabling-remote-hdx-enlightment-data-transport-in-netscaler-11-1-build-51/ NOTE: That Mac Based Forwarding which also cripples Framehawk also cripples EDT, …

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DNS Security with NetScaler

Leave a Comment / 30. December 2016 30. December 2016

With NetScaler build 51, Citrix introduced DNS Security Options which allows for simple defining security policies against DNS endpoints on NetScaler. The DNS Options are split into different options. Cache Poisioning Protection DNS DDoS Protection Manage Exception (whitelist / blacklist) servers Prevent random subdomain attacks Bypass the cache Enforce DNS transactions over TCP Provide root …

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Remote Access to XenApp Express / Essentials

Leave a Comment / 30. December 2016 30. December 2016

Now even if the XenApp Express “Essentials” hasn’t been released yet, there are some tiny bits of information available, and the piece I’m going to talk about is remote access. So let us picture the regular Citrix Cloud setup where we have our management plane in Citrix Cloud and we have our NetScaler (or NetSCaler …

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SSL and TCP Insight on NetScaler MAS

Leave a Comment / 30. December 2016 30. December 2016

With the latest release of NetScaler MAS 11.1 build 51, Citrix now has some cool new enhancements to the Insight Module which allows us for instance to monitor SSL Transactions/Ciphers/Protocol and such under Web Insight so we can see more in detail how SSL is behaving and such. We also have some new enhancements with …

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What’s new in NetScaler 11.1 build 51 + NetScaler MAS

Leave a Comment / 29. December 2016 29. December 2016

Today Citrix, released new anticated versions of the NetScaler and NetScaler MAS firmware, which is now on build 11.1 build 51, and contains a lot of cool new features! What’s new in NetScaler 11.1 Build 51In this version of NetScaler it has some major enhancements in terms of features. * Intune support (Integrates with Intune …

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Enabling Remote HDX Enlightment Data Transport in NetScaler 11.1 Build 51

Leave a Comment / 29. December 2016 29. December 2016

So with the recent release of NetScaler 11.1 – build 51, Citrix released support for Enlightend Data Transport which is a new feature in XenDesktop 7.12 which now also supports NetScaler in this new release. In order to leverage the protocol there are a couple of things we need to enable in order to use …

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Setting up WebSocket access on Citrix NetScaler

Leave a Comment / 28. December 2016 28. December 2016

When setting up my internal Rancher Master Service I noticed that I was getting some wierd timeout values in the UI, the management console acted gray and it went extremly slow when accessing it externally. After starting up Developer mode in Google Chrome I noticed right away that I was getting some websockets timeouts. WebSockets …

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Microsoft Intune and Citrix NetScaler integration

Leave a Comment / 28. December 2016 28. December 2016

So with the upcoming release of the NetScaler 11.1 build 51, it will now finally support Intune integration which I have been waiting on for some time now. This new feature allows for Conditional access against on-premises web applications like SharePoint and such. So for instance the integration allows NetScaler to pull compliance data from …

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TCP Fast OPEN – Citrix NetScaler

Leave a Comment / 28. December 2016 28. December 2016

TCP Fast Open (TFO) is a TCP mechanism that enables speedy data exchange between a client and a server during TCP’s initial handshake. By using the TFO mechanism, you can reduce an application’s network latency by the time required for one full round trip, which significantly reduces the delay experienced in short TCP transfers. So …

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Citrix NetScaler and Action Analysis to limit user connection to a website

Leave a Comment / 27. December 2016 27. December 2016

So this is something that I was tasked with a couple of weeks ago, where a customer was having issues with their network bandwidth to their website was exhausted because of a sophisticated DoS attach which seemed like a regular HTTP request, but it made the webserver exhaust its resources and comsume bandwidth upstream so …

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