By Nate Ravid, Posted in Infrastructure
A community-based health care system has several pairs of Citrix NetScalers deployed in their environment, which have been running for several years. Recently, a Citrix advisory was issued which required that the firmware be upgraded to avoid a vulnerability which had been discovered. All of the nodes were upgraded to version 12.1-65.25nc.
There are several High Availability pairs in deployment, and an orderly upgrade was performed on all pairs. However, after the upgrade, Application Delivery... read more.