Many administrators rely on third-party security scanners such as Crowdstrike Falcon to analyze their Zimbra server for malicious activity. One process that is frequently reported is jspawnhelper. What is jspawnhelper? While this is not very well documented, jspawnhelper can be run as the result of a call to ProcessBuilder.start() or Runtime.exec() in a java application. […]
Archive | PowerTips – Admins
Discover Zimbra’s new Storage Management and use Zimbra with Minio S3 (updated)
In Zimbra we have overhauled the Storage Management and support for external storage providers such as Amazon S3, Ceph, NetApp StorageGrid and OpenIO have been added. In this article you will learn how to install Minio as on premise S3 storage solution and how to set it up in Zimbra. Installing Minio On a dedicated […]
Discover Zimbra’s new Delegated Admin Wizard
Zimbra makes it easy to delegate administrative tasks. In a previous blog we described a way to create roles that allow you to manage delegated admin accounts via the command line. New in Zimbra 10 is that you can create delegated administrators from the Admin Console web-UI. Zimbra contains 2 built-in roles that you can […]
Zimbra Admin Console Zimlets and Extensions guide
For a long time Zimbra Administrators and Zimbra Delegated Administrators had the ability to manage their Zimbra infrastructure using the Zimbra Admin Console Web-UI. The functionality of the Zimbra Admin Console can be extended with Zimlets and Extensions allowing for more flexibility and integrations with 3rd party applications. We have created the admin-console-zimlets-and-extensions-guide repository where […]
How to use Zimbra with Elastic Stack 8.x
Hi Zimbra Customers, Partners & Friends, Based on your feedback we have updated the Zimbra Elastic Stack guide to work with Ubuntu 22 and ELK 8.x! The guide has also been extended with steps on how to send log information from audit.log and nginx access and error logs to Elastic Stack. With Elastic Stack you […]
10 steps to check Zimbra server for compromise
Hackers often install webshells on onpatched Zimbra systems and then wait for some time before actually abusing the compromised system. Especially on systems where critical security patches where installed too late, it may seem all was OK, where in fact a hacker has already gained access to the system, but did not do any other […]