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DuCUG 2019-1

On 15 March 2019 the first DuCUG event took place again at the Oude Duikenburg in Echteld. A locatio [ ... ]

Citrix VAD Communication Ports

The infrastructure of Citrix Virtual Apps and Desktops (formerly known as XenDesktop and/or XenApp)  [ ... ]

E2EVC Berlin 2019 Day 3

Last day of E2EVC Berlin 2019 Already. My experiences are written in the blog.

E2EVC Berlin 2019 Day 2

Second day of E2EVC started at a really decent time 10:30. Where are the days that at 9:00 we should [ ... ]

News of 15 May 2019

Citrix Synergy 2019 Preview, RDS Vulnerability and Citrix about microarchitectural data sampling.


Jack Madden has written down his expectation of the upcoming Citrix Synergy in the article Citrix Synergy 2019 Preview.


A vulnerability is found in RDS on Windows 7 and Windows 2008 (R2).





Intel announced a new set of vulnerabilities in their CPU. In the article Microarchitectural data sampling security issues and mitigations Martin Zugec is discussing the vulnerabilities and what should be done with Citrix products in mind.