reaction is described as 'Inspired by the honorable Fail2ban, it intend to provide a more lightweight (CPU wise) alternative, easy to configure and well documented' and is a Firewall in the security & privacy category. There are nine alternatives to reaction for Linux, Windows, Self-Hosted, Mac and Web-based. The best reaction alternative is CrowdSec. It's not free, so if you're looking for a free alternative, you could try CrowdSec or Fail2ban. Other great apps like reaction are IPBanPro, Denyhosts, SpyLog and tallow.
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 reaction.
CrowdSec is the most popular Open Source & free alternative to reaction.
Fail2ban 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...
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...
SSHGuard is the most popular Mac alternative to reaction.
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.
IPBanPro is the most popular Windows alternative to reaction.
IPBanPro is the most popular commercial alternative to reaction.
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.
Monitor logs from several sources and execute actions based on some rules. Can be used to protect against brute-force attacks.
Tallow is a fail2ban/lard replacement that uses systemd's native journal API to scan for attempted ssh logins, and issues temporary IP bans for clients that violate certain login patterns.
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.
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 reaction.
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