Hi,
Secure connection to Elasticsearch was already supported through Shield (now X-pack) for a while and SearchGuard support was also added recently. Both used transport mode for connection. Today encrypted connection using HTTPS became available thanks to Faxm0dem:
https://github.com/balabit/syslog-ng/pull/1321Before leaving for the weekend I prepared RPM packages from this PR in my 'githead' repositories. You can read about how to use those in my blog at
https://www.balabit.com/blog/rpm-packages-from-syslog-ng-git-head/Would be great if someone tested this against X-pack!