@tusharkathpal @MattWho    Thanks, Guys for the help.   I have tried it out the same using following command   ``` ./tls-toolkit.sh standalone -n 'nifi-node1,nifi-node2,nifi-node3' -C 'CN=admin, OU=NIFI' --nifiDnPrefix 'CN=' --nifiDnSuffix ', C=IN' -K randompassword -P randompassword -S randompassword -B randompassword -o /tmp/5/certs/ssl --subjectAlternativeNames 'dev.example.com' ```   While deployment, It's giving me following error and killing the containers     2021-02-03 07:52:41,921 WARN [main] org.apache.nifi.web.server.JettyServer Failed to start web server... shutting down. java.lang.IllegalStateException: KeyStores with multiple certificates are not supported on the base class org.eclipse.jetty.util.ssl.SslContextFactory. (Use org.eclipse.jetty.util.ssl.SslContextFactory$Server or org.eclipse.jetty.util.ssl.SslContextFactory$Client instead)   -----------------  Update -----------------   Above issue was introduced in the latest version (1.12.x): https://issues.apache.org/jira/browse/NIFI-7730   Issue resolved by adding 'dev.example.com' as an additional SAN entry and by upgrading the NiFi version to nifi-1.13.0 (dev)   ... View more