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We recommend that you understand the following prerequisites before installing CrowdSec:


CrowdSec is a lightweight software that can run on most modern hardware.

However, the recommendation is at least:

  • platform:
    • amd64
    • arm64
    • armhf
  • 1 CPU core
  • 100mb of free RAM
  • 1GB of free disk space

We recommend 1gb of free disk space due to the amount of data that can be stored in the database.

Operating System

We support the following operating systems:

See version matrix for detailed breakdown


CrowdSec Security Engine uses the following default ports these can be altered after installation:

  • 6060/tcp: Prometheus metrics port
  • 8080/tcp: API port