fail2ban
Adopt now+228 this week★ 18,499 · 1,496 forks
Daemon to ban hosts with multiple auth errors
Mature enough to put in production this quarter.
Who it's for
Small teams with public-facing servers
What it replaces
Manual IP blocking
The catch
Custom license may complicate commercial use
Your first hour
Install and configure on a test server
Licence check
Custom / check the LICENSE file. GitHub could not identify a standard licence for this repository, which usually means a custom or source-available one. Read the LICENSE file before you build on it.
This is a reading of the licence label, not legal advice.
The numbers
Stars18,499
Forks1,496
Stars added (7d)+228
Open issues270
LanguagePython
LicenceCustom / check the LICENSE file
Last pushUpdated 3 days ago
Project age15 years old
Maintainers describe it as: “Daemon to ban hosts that cause multiple authentication errors”
anti-botattack-preventionban-hostsban-managementbsdfail2bangplv2hidsidsintrusion-detection
fail2ban, in short
- Should a small team use fail2ban?
- Adopt now. Mature enough to put in production this quarter. Small teams with public-facing servers
- What does fail2ban actually do?
- Daemon to ban hosts with multiple auth errors
- What does fail2ban replace?
- Manual IP blocking
- What is the downside of fail2ban?
- Custom license may complicate commercial use
- Can fail2ban be used in a commercial product?
- Its licence is Custom / check the LICENSE file, which carries obligations or restrictions for commercial use. Read the LICENSE file, and get a lawyer's read before you ship it inside a product you sell.