CloudFlare is a web performance and security company that provides CDN services, DDoS mitigation, Internet security, and distributed domain name server services.
Starting from $0/month
Best CrowdSec Alternatives ranked by AI · updated Aug 2026
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CrowdSec is an open-source security engine that detects malicious behavior from logs and shares anonymized threat intelligence with its community. It uses local remediation components to block abusive IP addresses across servers, firewalls, and edge services.
Top 6 CrowdSec alternatives
Sucuri is a website security platform that offers protection against malware, DDoS attacks, and other online threats.
Starting at $199.99 per year
Fail2ban is an intrusion prevention software framework that protects computer servers from brute-force attacks.
RdpGuard is a security software that provides protection against brute-force attacks on RDP (Remote Desktop Protocol) servers.
$79.95 for a single license
5
win2ban
Win2Ban contributors
Win2Ban is a Windows intrusion-prevention utility modeled after Fail2ban. It monitors Windows logs for repeated authentication failures and blocks offending IP addresses...
Pros
- Designed specifically for Windows event logs
- Uses firewall-based IP blocking rather than modifying applications
- Free to use and scriptable
Cons
- Smaller community and ecosystem than Fail2ban
- Configuration is less polished than newer Windows security tools
- Limited built-in threat intelligence and centralized management
IPBan is a security tool that dynamically bans IP addresses making too many failed login attempts.
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