Q1 use recent java8 Version if you want secure TLS 1.3 choose right cipher.
https://wiki.apache.org/tomcat/Security/Ciphers q2 Jre8u122+Tomcat 7.0.73 Q3 Upgrade should be easy and you need it for Tls1.2 Question 1. DO we need to upgrade Tomcat Version and Java Version, if yes which version we need to choose. Refereed the Tomcat Site "http://tomcat.apache.org/whichversion.html", will Tomcat Version 7.0.34 support jdk 1.8? Question 2. Which is the best approach Tomcat Version 7.0.34 + jdk 1.7 or jdk 1.8? Question 3. Do we need to upgrade Tomcat version to new one, if yes then which is the best working solution to achieve the requirement mentioned above? Thanks and Regards, Dhanesh M.