Initializing Standalone Key Trustee Server How to initialize your non-HA Key Trustee Server. Initializing Standalone Key Trustee Server Using Cloudera ManagerHow to initialize your standalone Key Trustee Server using Cloudera Manager. Specifying TLS/SSL Minimum Allowed Version and CiphersDepending on your cluster configuration and the security practices in your organization, you might need to restrict the allowed versions of TLS/SSL used by Key Trustee Server. Older TLS/SSL versions might have vulnerabilities or lack certain features.