CategoryNetScaler Gateway

Securing Citrix Gateway using Citrix ADC Bot Management, Citrix Web Application Firewall and DOS-Protection

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last update: November 18th 2021 Recently, I had been asked, how to protect a gateway from threads. It’s easy, I thought, Citrix ADC has everything needed in good quality: A Bot Management, Web Application Firewall (WAF), and AppQoE (Application quality of experience, a DOS protection feature). So nothing easier than that: Create the policies desired and bind them to the gateway. Shortly...

Costumizing a NetScaler Gateway 10.5 using policies

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There are several guidelines out there how to do this. I want to dig a bit deeper. Why do I want to use NetScaler policies to rewrite and pimp this webpage? There are two reasons: A NetScaler is there and it is possible. And it will survive all (or near to all, there will never be a guarantee!) upcoming NetScaler updates! So where do we start? This is a German version of a NetScaler Gateway...

Virtual Apps and Desktops (XenApp) can’t connect through Citrix Gateway (NetScaler)?

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It’s a problem coming up every now and then: I can’t connect to a certain Citrix VDA, but can connect to all/some others. If your problem is a more general one, continue reading here My first guess would always be a L4 problem, but “I opened up all firewalls”. Never open too much, and maybe it’s not an issue about firewalls. First of all, it’s not the STA...

Why do I love HDX on UDP in Citrix XenDesktop and XenApp?

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Why do I love HDX on UDP in Citrix XenDesktop and XenApp? (HDX Enlightened Data Transport EDT) Well, I’m mainly a network guy. So I’ll take a look at this brand new feature from networking perspective.I’ll start from scratch, so I don’t assume you understand network protocols. But let me tell you a joke about UDP first: I got a short joke about UDP, and I don’t care...

Trouble shooting Citrix NetScaler Gateway connection issues

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One of the most annoying issues in Citrix NetScaler is ICA / HDX connection issues. The reason for this is the way connection issues are reported. There are two potential sources of trouble: Citrix StoreFront and Citrix NetScaer Gateway. So I will divide my blog into three sections: How to find the source of trouble, Troubleshooting Citrix StoreFront and Troubleshooting Citrix NetScaler Gateway...

Setting up StoreFront 3.0 for NetScaler 11

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As soon as our NetScaler Gateway is up and running we need to set up StoreFront to use it. It’s more a kind of introducing the NetScaler Gateway to StoreFront. Other than WebInterface¬†StoreFront is designed to use a NetScaler Gateway, so it’s a rather easy thing to do. Enabling Pass-Through authentication from NetScaler Gateway We open up StoreFront management console and click...

Making a NetScaler Gateway on NetScaler 11 a bit more secure

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last update February 7th 2017 There are never versions about SSL-settings We have previously created a NetScaler Gateway on our NetScaler 11. That’s great! Time to check if it’s secure. I usually use SSL labs SSL test, a widely used tool to test the security of a website. I have an other blog about NetScaler virtual servers (contentswitching and loadbalancing SSL offloading servers)...

Setting up a NetScaler Gateway on NetScaler 11

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It is quite easy to set up a NetScaler Gateway on NetScaler 11. It’s¬†quite similar to NetScaler 10.5, but the wizard is much more powerful now! I’ll show you how to do it. Prerequisites I assume you have: a certificate in place. This certificate should be a valid certificate created by a trusted certificate authority. If you don’t know how to get or create a certificate: there...

Automatically forward users of a loadbalanced StoreFront server to /Citrix/StoreWeb

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This question was asked by one of my students during one of my last NetScaler CNS 207 classes. It should not be a difficult problem. So what do we need to do? rewrite requests to /Citrix/StoreWeb. filter on requests without URL specified. bind it to the load balancing server. (there is also a 2nd way using a responder policy, but I preferred the rewrite policy) The rewrite action: we locate...

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