/mcpStep 5 Enter the algorithm string in Algorithm String field to configure the MAC algorithm for SSH MAC. Step 6 Select Save. After saving the page, you must do the following: • Reboot both nodes in the cluster for successful configuration of ciphers on All TLS, SSH Ciphers, SSH Key Exchange and SSH MAC interfaces. • Restart the Cisco Tomcat service for successful configuration of ciphers on HTTPS TLS interface. • Restart the Connection Conversation Manager service for successful configuration of ciphers on SIP TLS interface. Cisco Unified Communications Operating System Administration Guide for Cisco Unity Connection Release 15 39 Security Configuring Cipher String