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An intrusion prevention software framework
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What is Fail2ban?

It is an intrusion prevention software framework that protects computer servers from brute-force attacks. Written in the Python programming language, it is able to run on POSIX systems that have an interface to a packet-control system or firewall installed locally, for example, iptables or TCP Wrapper.
Fail2ban is a tool in the Security category of a tech stack.
Fail2ban is an open source tool with 4.5K GitHub stars and 800 GitHub forks. Here’s a link to Fail2ban's open source repository on GitHub

Who uses Fail2ban?

6 companies reportedly use Fail2ban in their tech stacks, including PassionDig, Jobinja, and billware.

5 developers on StackShare have stated that they use Fail2ban.

Fail2ban Integrations

Why developers like Fail2ban?

Here’s a list of reasons why companies and developers use Fail2ban
Top Reasons
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Fail2ban Alternatives & Comparisons

What are some alternatives to Fail2ban?
It is a robust, commercial-grade, and full-featured toolkit for the Transport Layer Security (TLS) and Secure Sockets Layer (SSL) protocols. It is also a general-purpose cryptography library.
Let's Encrypt
It is a free, automated, and open certificate authority brought to you by the non-profit Internet Security Research Group (ISRG).
The leading cybersecurity solution providing client-side protection against data loss, journey hijacking and intrusion while enhancing website performance. Assess and monitor privacy risk to protect against malicious JavaScript attacks.
Spring Security
It is a framework that focuses on providing both authentication and authorization to Java applications. The real power of Spring Security is found in how easily it can be extended to meet custom requirements.
Sqreen is a security platform that helps engineering team protect their web applications, API and micro-services in real-time. The solution installs with a simple application library and doesn't require engineering resources to operate. Security anomalies triggered are reported with technical context to help engineers fix the code. Ops team can assess the impact of attacks and monitor suspicious user accounts involved.
See all alternatives

Fail2ban's Followers
5 developers follow Fail2ban to keep up with related blogs and decisions.
Frank Sørensen
Tomas Pytel
Alessandro Pezzè
Jeff Mcneill