Fail2Ban Webinterface vs Prometheus

A side-by-side comparison of two self-hosted monitoring & status options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
FeatureFail2Ban WebinterfacePrometheus
CategoryMonitoring & StatusMonitoring & Status
LicenseAGPL-3.0-or-laterApache-2.0
LanguagePHPGo
Setup difficultyEasyMedium
Min. RAM50 MB512 MB
Deploymentbare-metaldocker, binary, helm
GitHub stars★ 7★ 65,616
First released20242015
ReplacesDatadog

Why pick each one

Choose Fail2Ban Webinterface if…

  • Released under the AGPL-3.0-or-later license
  • Easy to set up — beginner-friendly
  • Written in PHP
  • Tiny footprint — runs in 50 MB RAM
Fail2Ban Webinterface details

Choose Prometheus if…

  • Powerful query language
  • Reliable and scalable
  • Huge ecosystem
Prometheus details

Frequently asked questions

Is Fail2Ban Webinterface or Prometheus better?

Neither is universally better. Prometheus has the larger community, while Fail2Ban Webinterface is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.

Are Fail2Ban Webinterface and Prometheus free and open-source?

Yes. Fail2Ban Webinterface is licensed under AGPL-3.0-or-later and Prometheus under Apache-2.0. Both can be self-hosted at no software cost.

Can I run Fail2Ban Webinterface and Prometheus with Docker?

Fail2Ban Webinterface: check the project docs for container support. Prometheus: yes.

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