Citrix: mac OSX ‘You have chosen not to trust…’
Feb26

Citrix: mac OSX ‘You have chosen not to trust…’

KB ID 0001520 Problem After a colleague deployed Citrix for a customer the other day, they complained that they had a mac user that was getting certificate errors. They had a publicly signed wildcard certificate, but this user was still having problems. After I  heard a few “tell him to stop using a mac” comments, I said, “I’m using a MacBook here, would you like me to test it?” The URL opened fine in...

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Citrix NetScaler – SSL Offloading
May22

Citrix NetScaler – SSL Offloading

KB ID 0001192 Dtd 22/05/16ProblemWhat is SSL Offloading?If you run https services (Note: I say services, this does not have to be a website), the actual security is handled by SSL/TLS, one of the things this does is encrypt the traffic between the client and server. (This is why your online banking and shopping is done over https and not http.)Thats great, but encrypting and decrypting all that traffic takes a lot of processing...

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Citrix NetScaler – ‘Certificate is not a server certificate’
May21

Citrix NetScaler – ‘Certificate is not a server certificate’

KB ID 0001191 Dtd21/05/16ProblemWhile attempting to bind a certificate to a Virtual Server on my NetScaler this happened;Error Certificate is not a server certificate SolutionBefore you proceed, delete the problem certificate to avoid confusion!I had generated this certificate with Microsoft Certificate Services, and I had made a wildcard certificate like so;Certificate Services – Create a ‘Wildcard Certificate’Remember if you use the...

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NetScaler – SSL Virtual Server State: Down Effective State: Down
May21

NetScaler – SSL Virtual Server State: Down Effective State: Down

KB ID 0001190 Dtd21/05/16ProblemWhen trying to setup SSL Offloading on a NetScaler Virtual Server. I was unable to get the State and Effective State to ‘go green’. SolutionIf you hit the ‘down arrow’ to the left it will give you a little more information, it also says  ‘SSL feature disabled’.Log directly into the appliance and issue the following command; enable feature SSLHit the...

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Citrix NetScaler – Simple HTTP Site Load Balancing
May21

Citrix NetScaler – Simple HTTP Site Load Balancing

KB ID 0001188 Dtd 20/05/16ProblemHere is the simplest load balancing scenario I can think of, I’ve got two web servers, (on http port 80) and I’m presenting them though my NetScaler as an HTTP (Virtual Server). SolutionFirst we add the ‘back-end’ servers. Connect to the management IP of your NetScaler and login > Configuration > Traffic Management  > Load Balancing > Servers > Add.Define a name...

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NetScaler – Locate the Host ID
May19

NetScaler – Locate the Host ID

KB ID 0001187 Dtd 19/05/16ProblemTo apply a license to your NetScaler you need the supply the Host ID to the licensing portal. A quick internet search yielded the commands, but the were not working?SolutionNote: If this is a new installation, the username and password will both be set to nsroot.Whatever I was reading, didn’t tell me I needed to drop to shell mode! shell lmutil lmhostidAs you can see this ones 0050569d5a96,...

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