Install command:
brew install fail2ban

Scan log files and ban IPs showing malicious signs

License: GPL-2.0-or-later

Formula JSON API: /api/formula/fail2ban.json

Formula code: fail2ban.rb on GitHub

Bottle (binary package) installation support provided for:

Apple Silicon sonoma
Intel sonoma
64-bit linux

Current versions:

stable 1.0.2

Revision: 1

Depends on:

python@3.11 3.11.9 Interpreted, interactive, object-oriented programming language

Depends on when building from source:

help2man 1.49.3 Automatically generate simple man pages
python-setuptools 69.5.1 Easily download, build, install, upgrade, and uninstall Python packages
sphinx-doc 7.2.6 Tool to create intelligent and beautiful documentation
Before using Fail2Ban for the first time you should edit the jail
configuration and enable the jails that you want to use, for instance
ssh-ipfw. Also, make sure that they point to the correct configuration
path. I.e. on Mountain Lion the sshd logfile should point to

    * $HOMEBREW_PREFIX/etc/fail2ban/jail.conf

The Fail2Ban wiki has two pages with instructions for macOS Server that
describes how to set up the Jails for the standard macOS Server
services for the respective releases.


Please do not forget to update your configuration files.
They are in $HOMEBREW_PREFIX/etc/fail2ban.


Installs (30 days)
fail2ban 144
Installs on Request (30 days)
fail2ban 143
Build Errors (30 days)
fail2ban 14
Installs (90 days)
fail2ban 326
Installs on Request (90 days)
fail2ban 325
Installs (365 days)
fail2ban 768
Installs on Request (365 days)
fail2ban 767
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