Win2ban
win2ban is an open-source intrusion detection and automated banning software for Linux-based servers. It monitors log files for signs of malicious activity and blocks repeat offenders via firewall rules.
firewall
log-monitoring
intrusion-detection
automated-banning
win2ban: Open-Source Linux Firewall
Monitor log files for malicious activity, block repeat offenders, and protect your Linux-based server with win2ban, an open-source intrusion detection and automated banning software.
What is Win2ban?
Win2ban is an open source intrusion prevention software framework for Linux-based servers. It works by scanning log files for signs of abuse or malicious activity, and blocking repeat offenders via firewall rules.
Some key features of win2ban include:
- Monitoring services such as SSH, Apache, Postfix, etc. for signs of brute force attacks, botnets, web scraping, and more
- Blocking IP addresses that show malicious signs in logs via iptables firewall rules
- Support for regex rules to define malicious signs in logs
- Email alerts when bans are made
- Simple configuration through .conf files
- Daemon service for continuous monitoring
Win2ban is useful for protecting against brute force attacks on services like SSH, attacks on web applications like comment spam or web scraping, stopping reconnaissance probes for vulnerabilities, and more. It serves as a simple yet effective layer of intrusion prevention by dynamically managing firewall rules when malicious activity is detected.
Win2ban runs on nearly all distributions of Linux, is lightweight, and integrates smoothly with the existing syslog and firewall capabilities of Linux systems. It is highly customizable through its configuration files for monitoring any log file or service.
Win2ban Features
Features
- Monitors log files for signs of malicious activity
- Automatically bans repeat offenders via firewall rules
- Supports various log file formats and log rotation
- Configurable ban time and number of attempts
- Supports multiple firewall backends (iptables, firewalld, etc.)
- Provides email notifications for banned IP addresses
- Allows whitelisting of trusted IP addresses
Pricing
- Open Source
Pros
Effective in detecting and blocking malicious activity
Easy to set up and configure
Customizable to fit specific server needs
Lightweight and efficient, with minimal impact on server performance
Open-source and free to use
Cons
Limited to Linux-based servers
May require some technical expertise to configure and maintain
Potential for false positives if not properly configured
Official Links
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