Hybrid Clouds Blog

Citrix ADC and Citrix Gateway Security Bulletin for CVE-2022-27507 and CVE-2022-27508

May 30, 2022 by Stefanos Evangelou

Citrix ADC and Citrix Gateway Security Bulletin for CVE-2022-27507 and CVE-2022-27508 The following vulnerabilities have recently been discovered and announced by Citrix. CVE-2022-27507 Authenticated denial of service CWE-400: Uncontrolled Resource Consumption  VPN (Gateway) virtual server with DTLS, and either ‘HDX Insight for EDT traffic’ or ‘SmartControl’ is configured CVE-2022-27508 Unauthenticated denial of service … Read more

Citrix 1Y0-341 exam preparation notes

May 11, 2022May 10, 2022 by Stefanos Evangelou

Citrix Certified Professional Networking

Citrix 1Y0-341 exam overview The Citrix 1Y0-341 exam is a 69 question exam written in English. The exam consists of multiple choice items only. Passing the exam grants you with the Citrix Certified Professional in Networking (CCP-N) certification. The official Citrix 1Y0-341 exam study guide is available for free download from https://training.citrix.com/public/Exam+Prep+Guides/341/1Y0-341_Exam_Preparation_Guide_v01.pdf Audience The 1Y0-341 … Read more

Comparison of DaaS and VDI services

March 8, 2022January 31, 2022 by Stefanos Evangelou

Desktop As A Service (DaaS) is a broad term which covers remote computing services running in a cloud (private, public or hybrid). In the framework of DaaS services, end-users can utilize virtual apps and virtual desktops running on a cloud infrastructure. Virtual Desktop Infrastructure (VDI) is a very similar concept in which virtual desktop services … Read more

FsLogix 2201 Public Preview release

January 29, 2022 by Stefanos Evangelou

The FsLogix 2201 Public Preview release is now available for download from Microsoft. The change log is as follows: Fixed issue where the FSLogix Profile Service would crash if it was unable to communicate with the FSLogix Cloud Cache Service. The OfficeFileCache folder located at %LOCALAPPDATA%\Microsoft\Office\16.0\OfficeFileCache is now machine specific and encrypted so we now … Read more

Announcing new Citrix Virtual Apps and Desktops features in Microsoft Azure

December 8, 2021 by Stefanos Evangelou

Citrix Virtual Apps and Desktops Deployment and Adoption Resource Center

Citrix has recently announced the following new Citrix Virtual Apps and Desktops features in Microsoft Azure. Citrix Provisioning Services (PVS) for Microsoft Azure — Citrix and Microsoft engineers have worked together to deliver Citrix PVS to Azure, targeted for general availability December 2021. Citrix Ready validation for Virtual Apps and Desktops service and Azure Stack … Read more

Citrix ADC security vulnerabilities

November 15, 2021 by Stefanos Evangelou

Citrix ADC security vulnerabilities description A new security vulnerability with ID CVE-2021-22955 (Unauthenticated denial of service) has been discovered in Citrix ADC, which affects the following Citrix products and firmware versions: Citrix ADC and Citrix Gateway 13.0 before 13.0-83.27 Citrix ADC and Citrix Gateway 12.1 before 12.1-63.22 Citrix ADC and NetScaler Gateway 11.1 before 11.1-65.23 Citrix ADC 12.1-FIPS before 12.1-55.257 Also a new security vulnerability with … Read more

Citrix Virtual Apps and Desktops service reference architecture on Azure

November 5, 2021November 3, 2021 by Stefanos Evangelou

Citrix Virtual Apps and Desktops (CVAD) service options Citrix offers the following two services for implementing Virtual Apps and Desktops cloud service: Citrix Virtual Apps and Desktops service (managed entirely via the Citrix Cloud and can deploy in any CVAD resource location) Citrix Virtual Apps and Desktops Standard for Azure (can only deploy on Azure) … Read more

Citrix Virtual Apps and Desktops Deployment and Adoption Resource Center

June 4, 2021May 18, 2021 by Stefanos Evangelou

Citrix has developed the new Citrix Virtual Apps and Desktops Deployment and Adoption Resource Center. Inside this self-service destination, IT administrators and internal launch teams will find all the valuable tools and components they need to drive internal alignment and to ensure your employees, stakeholders, and organization are ready for launch. The CVAD Deployment and … Read more

The new Citrix Ready Marketplace

June 4, 2021March 22, 2021 by Stefanos Evangelou

Follow my blog with Bloglovin The new Citrix Ready Marketplace Citrix announced today that they have released the newly revamped Citrix Ready Marketplace portal available at: https://citrixready.citrix.com/. Today, there are more than 700 partners in the Citrix Ready Program and more than 6,100 products listed in the Citrix Ready Marketplace. An overview of the Citrix … Read more

Citrix Virtual Apps and Desktops Troubleshooting book

February 15, 2022December 10, 2020 by Stefanos Evangelou

This post is also available in my podcast. I am happy to announce the publication of my new Citrix Virtual Apps and Desktops Troubleshooting book, which is available for order on Amazon and Smashwords. The Citrix Virtual Apps and Desktops Troubleshooting book is now live in the Amazon Kindle store. The Citrix Virtual Apps and … Read more

Citrix announced VAD security vulnerabilities

June 4, 2021November 10, 2020 by Stefanos Evangelou

Case Citrix announced on November 10th 2020 the following vulnerabilities. CVE ID Description Vulnerability Type Pre-conditions CVE-2020-8269 An unprivileged Windows user on the VDA can perform arbitrary command execution as SYSTEM CWE-269: Improper Privilege Management The attacker must be an authenticated user on the Windows VDA with write access to the C:\ directory CVE-2020-8270 An unprivileged Windows user on the VDA or a SMB user can perform arbitrary command execution as SYSTEM CWE-78: Improper Neutralization of Special … Read more

Citrix Workspace app 2008 for Windows

June 4, 2021August 27, 2020 by Stefanos Evangelou

Citrix has released the 2008 version of the Citrix Workspace App for Windows: https://www.citrix.com/downloads/workspace-app/windows/workspace-app-for-windows-latest.html The release notes of the latest version are available at: https://docs.citrix.com/en-us/citrix-workspace-app-for-windows/about.html

Windows User Profiles and Folder Redirection options

February 19, 2022August 21, 2020 by Stefanos Evangelou

This post is also available in my podcast. Introduction There are various technologies available in Windows client and server operating systems for managing user profiles and folder redirection in an Active Directory environment. User profiles and folder redirection are methodologies used for accomplishing User State virtualization, also most recently called User Experience virtualization (https://docs.microsoft.com/en-us/windows/configuration/ue-v/uev-for-windows). User … Read more

Citrix Virtual Apps and Desktops issue after Microsoft Defender (1.321.1319.0) update

June 4, 2021August 17, 2020 by Stefanos Evangelou

Citrix has released the following notification: Citrix is aware of a potential issue impacting the Broker services on the Delivery Controller with the latest Microsoft Defender version (1.321.1319.0) update. Citrix are currently investigating the root cause of this behavior. The behavior is currently impacting traditional deployments of Citrix Virtual Apps and Desktops and may potentially impact … Read more