Ferroque Systems News

Issue: Black or frozen screen when you share your screen in Skype for Business 2016

June 18th, 2019

Issue: Skype for Business Windows client displays a black screen (or a black screen with a mouse cursor) during screen sharing and/or crashes during a screen share.   Details: Since Skype for Business 2015 Cumulative Update KB3061064. Video-based Screen Sharing (VbSS) was introduced to replace the legacy RDP screen sharing method. VbSS also referred to as P2P sharing makes use of the UDP protocol. Although … read more

DUDE! Where’s My Auth Request? Adventures in RADIUS Load Balancing

June 16th, 2019

Environment: Greenfield multi-tiered Citrix ADC deployment, Citrix Gateways on processing tier configured with multi-factor authentication with RADIUS. Products: Citrix ADC (NetScaler) MPX 8905 running 12.1 b52.15 PingID via RADIUS Issue: So this particular issue has come up a few times now in my configs across various RADIUS-capable authentication products. Essentially, when setting up RADIUS configurations on the ADC, authentication servers configured to authenticate directly to … read more

5 Cloud Computing Strategies for Enterprises

June 4th, 2019

When the average person thinks of the cloud, they tend to think of backing up their photos and music or using email. Cloud computing is a misunderstood term which can mean all those things and much more. Simply speaking it means having access to a service, resource, application or data via the internet. You could store some or all these things in your own datacentres, … read more

Remote Code Execution Vulnerability in Citrix Workspace app and Receiver for Windows

May 21st, 2019

Last week, Cyber Security company NCC Group identified a critical vulnerability in Citrix Workspace app and Receiver for Windows. We found an RCE vulnerability in the Citrix Workspace & Receiver clients. It can be triggered through the browser simply by visiting a malicious website. No need to log into a rogue Citrix server.. Fix has now been released.https://t.co/X65MXtjvkm pic.twitter.com/d87fmt5VHL — Rich Warren (@buffaloverflow) May 14, … read more

Citrix Workspace Meets Windows Virtual Desktop: Everything You Need to Know About the New Platform

April 18th, 2019

On March 21, 2019, at the Microsoft Ignite Tour in Amsterdam, Citrix joined forces with Microsoft to reveal an exciting new development: the public preview of Windows Virtual Desktop (WVD). This desktop and app-friendly virtualization service runs on the cloud, enabling remote users to access a multi-session Windows 10 and Office 365 ProPlus experience. Microsoft announced the software back in September 2018, beginning a private … read more