Fail2ban is described as 'Scans log files (e.g. /var/log/apache/error_log) and bans IPs that show the malicious signs -- too many password failures, seeking for exploits, etc. Generally Fail2Ban is then used to update firewall rules to reject the IP addresses for a specified amount of time' and is a Firewall in the security & privacy category. There are more than 10 alternatives to Fail2ban for a variety of platforms, including Linux, Windows, Self-Hosted, Mac and Web-based apps. The best Fail2ban alternative is CrowdSec. It's not free, so if you're looking for a free alternative, you could try CrowdSec or SSHGuard. Other great apps like Fail2ban are HeatShield, ConfigServer Firewall, EvlWatcher and Cyberarms Intrusion Detection and Defense.
CrowdSec is a security automation engine, using both local IP behavior detection & our community-driven IP reputation database.
CrowdSec is the most popular Linux & Self-Hosted alternative to Fail2ban.
CrowdSec is the most popular Open Source & free alternative to Fail2ban.
SSHGuard monitors services through their logging activity. It reacts to messages about dangerous activity by blocking the source address with the local firewall. SSHGuard employs a clever parser that can transparently recognize several logging formats at once (syslog, syslog-ng...
Most users think SSHGuard is a great Fail2ban alternative.
SSHGuard is the most popular Mac alternative to Fail2ban.
IPBan is a FREE and open source application that allows auto banning ip addresses from failed login attempts. Many sources are watched such as SSH, SMTP, SQL-Server, MySQL, RDP and dropped packets.
Free and works on Windows, easy to setup
Most users think IPBanPro is a great Fail2ban alternative.
IPBanPro is the most popular Windows alternative to Fail2ban.
IPBanPro is the most popular commercial alternative to Fail2ban.
HeatShield is a network firewall management service for Linux servers. A firewall configured by HeatShield prevents unauthorized access to services running on your servers, such as SSH and MySQL. Using HeatShield, you can easily restrict access to these services so that only IP...
HeatShield is the most popular Web-based alternative to Fail2ban.
A Stateful Packet Inspection (SPI) firewall, Login/Intrusion Detection and Security application for Linux servers.
Protected against RDP-Brute forcers. It installs a service which scans the event log for anomalies every 30 seconds (by default).
Out-of-the-box security for Remote Deskop, Exchange, OWA, SharePoint, CRM, generic IIS applications and many other server systems.
win2ban is a Fail2ban implementation for Windows systems. It is a packaging of Fail2ban, Python, Cygwin, Winlogbeat and many other related tools to make it a complete and ready-to-use solution for brute-force attack protection.
Light-weight and extra-configurable peruser of systemd journal logs: ban IP, send immediate email, daily report… all based on a single JSON configuration file.
Customizable. Well-defined behaviour. Modern.
The idea of denying access to SSH servers is nothing new and I was inspired by many other scripts that I discovered. However, none of them did things the way I envisioned them to. Also, they were all shell scripts which do not offer the elegance of Python.
Your Microsoft Windows servers are probably under constant attack and you may not even know it! Chances are if your hosting remote desktop, or other services such as Microsoft exchange, FTP, HTTP, HTTP’s or SQL. Your server is likely getting bombarded with failed login attempts.
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Easier to configure, and no errors like Fail2Ban!