B.17 Cannot Receive Events from Sentinel UNIX Agent 7.4 After Upgrading Sentinel to Version 7.3 SP1 and Later

Issue: The security vulnerability fixes included in Sentinel 7.3 SP1 involved changes to the communication mechanism for a secured connection. These changes are not compatible with Sentinel UNIX Agent 7.4. Therefore, Sentinel cannot receive events from Sentinel UNIX Agent 7.4.

Fix: One of the following:

Install Security Agent for UNIX 7.4 Hotfix 7017336.
Upgrade the Sentinel UNIX Agent to version 7.5, which is compatible with Sentinel 7.3 SP1 and later.