For installing Symantec client in Ubuntu we should download jdk-8u92-linux-x64.ta , jce_policy-8 files and SymantecEndpointProtection.tar.sh
Use below links for download the java files
JDK 1u92
http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
JCE policy files
http://www.oracle.com/technetwork/java/javase/downloads/jce8-download-2133166.html