To enhance communication security between the Apex One server and Security Agents, you can enable Client Authentication Checksum (CAC) security in Apex One to authenticate Security Agents .
Before enabling Client Authentication Checksum (CAC) security , verify that all managed Security Agents reporting to the Apex One server are running supported versions (build version 12000 or later).


  1. Go to AgentsGlobal Agent Settings.
  2. Click the Network tab.
  3. Go to the Server-Agent Communication section.
  4. Click Change to enable or disable the setting.
    A message appears.
  5. Click Verify Versions to confirm that you have updated all Security Agents to the supported versions (build version 12000 or later).
  6. Click OK.