CrowdSec is an open-source & collaborative security solution built to secure Internet-exposed Linux services, servers, containers, or virtual machines with a server-side agent. It is a modernized version of Fail2ban which was a great source of inspiration to the project founders. In this article we’ll describe how to deploy CrowdSec in a multi-server setup with one server sharing signal.

Source: LXer – How to set up a CrowdSec multi-server installation