TLS v1.0 has been deprecated. Browsers such as Firefox will discontinue the support from March 2020. It is also recommended to turn off TLS 1.1 support.

For Tomcat 6 & 7 (6.0.3.8 and newer)
Within the server.xml file, find the sslEnabledProtocols entry and make sure only TLS 1.2 protocol is specified:

sslEnabledProtocols = “TLSv1.2”