After upgrading to DX Netops Spectrum to 21.2.8 and CABI 7.9.1 the Spectrum Overview Dashboard fails with SSL Handshake errors
DX Netops 21.2.8
CABI 7.9.1
On the Spectrum side, change the file <SPECTRUM_TOMCAT_HOME>/server.
Restart the Tomcat.
Example: sslEnableProtocols="TLSv1.2,SSLv2Hello".