Fail2Ban alternatives and similar tools
Based on the "Security" category.
Alternatively, view Fail2Ban alternatives based on common mentions on social networks and blogs.
9.2 8.7 L2 Fail2Ban VS OSQuerySQL powered operating system instrumentation, monitoring, and analytics.
8.4 6.9 Fail2Ban VS lynisLynis - Security auditing tool for Linux, macOS, and UNIX-based systems. Assists with compliance testing (HIPAA/ISO27001/PCI DSS) and system hardening. Agentless, and installation optional.
7.3 9.7 Fail2Ban VS CrowdSecCrowdSec - the open-source and participative IPS able to analyze visitor behavior & provide an adapted response to all kinds of attacks. It also leverages the crowd power to generate a global CTI database to protect the user network.
7.3 2.7 L2 Fail2Ban VS OSSECOSSEC is an Open Source Host-based Intrusion Detection System that performs log analysis, file integrity checking, policy monitoring, rootkit detection, real-time alerting and active response.
3.1 9.7 L3 Fail2Ban VS SpamAssassinRead-only mirror of Apache SpamAssassin. Submit patches to https://bz.apache.org/SpamAssassin/. Do not send pull requests
* Code Quality Rankings and insights are calculated and provided by Lumnify.
They vary from L1 to L5 with "L5" being the highest.
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__ _ _ ___ _ / _|__ _(_) |_ ) |__ __ _ _ _ | _/ _` | | |/ /| '_ \/ _` | ' \ |_| \__,_|_|_/___|_.__/\__,_|_||_| v1.0.1.dev1 20??/??/??
Fail2Ban: ban hosts that cause multiple authentication errors
Fail2Ban scans log files like
/var/log/auth.log and bans IP addresses conducting
too many failed login attempts. It does this by updating system firewall rules
to reject new connections from those IP addresses, for a configurable amount
of time. Fail2Ban comes out-of-the-box ready to read many standard log files,
such as those for sshd and Apache, and is easily configured to read any log
file of your choosing, for any error you wish.
Though Fail2Ban is able to reduce the rate of incorrect authentication attempts, it cannot eliminate the risk presented by weak authentication. Set up services to use only two factor, or public/private authentication mechanisms if you really want to protect services.
|Since v0.10 fail2ban supports the matching of IPv6 addresses.|
It is possible that Fail2Ban is already packaged for your distribution. In this case, you should use that instead.
- Python2 >= 2.7 or Python >= 3.2 or PyPy
- python-setuptools, python-distutils or python3-setuptools for installation from source
- pyinotify >= 0.8.3, may require:
- Linux >= 2.6.13
- gamin >= 0.0.21
- systemd >= 204 and python bindings:
tar xvfj fail2ban-1.0.1.tar.bz2 cd fail2ban-1.0.1 sudo python setup.py install
Alternatively, you can clone the source from GitHub to a directory of Your choice, and do the install from there. Pick the correct branch, for example, master or 0.11
git clone https://github.com/fail2ban/fail2ban.git cd fail2ban sudo python setup.py install
This will install Fail2Ban into the python library directory. The executable
scripts are placed into
/usr/bin, and configuration in
Fail2Ban should be correctly installed now. Just type:
to see if everything is alright. You should always use fail2ban-client and never call fail2ban-server directly. You can verify that you have the correct version installed with
Please note that the system init/service script is not automatically installed.
To enable fail2ban as an automatic service, simply copy the script for your
distro from the
files directory to
/etc/init.d. Example (on a Debian-based
cp files/debian-initd /etc/init.d/fail2ban update-rc.d fail2ban defaults service fail2ban start
You can configure Fail2Ban using the files in
/etc/fail2ban. It is possible to
configure the server using commands sent to it by
available commands are described in the fail2ban-client(1) manpage. Also see
fail2ban(1) and jail.conf(5) manpages for further references.
Bugs, feature requests, discussions?
You just appreciate this program:
See THANKS file.
Fail2Ban is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
Fail2Ban is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with Fail2Ban; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*Note that all licence references and agreements mentioned in the Fail2Ban README section above are relevant to that project's source code only.