CrowdSec AlternativesFirewalls and other similar apps like CrowdSec

CrowdSec is described as 'Security automation engine, using both local IP behavior detection & our community-driven IP reputation database' and is a Firewall in the security & privacy category. There are five alternatives to CrowdSec for Linux, Windows and Self-Hosted. The best CrowdSec alternative is Fail2ban, which is both free and Open Source. Other great apps like CrowdSec are IPBanPro, reaction, Denyhosts and SpyLog.

filter to find the best alternatives

CrowdSec alternatives are mainly Firewalls but may also be Remote Desktop Tools. Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of CrowdSec.

CrowdSec

Firewall
Free Personal • Open Source

CrowdSec is a security automation engine, using both local IP behavior detection & our community-driven IP reputation database.

More about CrowdSec

CrowdSec alternatives page was last updated Dec 7, 2023

Fail2ban
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...
20 Fail2ban alternatives
License model
- Free • Open Source
Application type
- Firewall
Platforms
- Linux
Fail2ban VS CrowdSec
Is Fail2ban a good alternative to CrowdSec?
- Fail2ban is the most popular Linux alternative to CrowdSec.
- Fail2ban is the most popular Open Source & free alternative to CrowdSec.
- Fail2ban is Free and Open SourceCrowdSec is Free Personal and Open Source

IPBanPro
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.
14 IPBanPro alternatives
License model
- Paid • Open Source
Application types
- Firewall
- Remote Desktop Tool
Platforms
- Windows
- Linux
IPBanPro Features
SSH
SMTP Support
Show all NaN IPBanPro features ▾
IPBanPro VS CrowdSec
Is IPBanPro a good alternative to CrowdSec?
- IPBanPro is the most popular Windows alternative to CrowdSec.
- IPBanPro is the most popular commercial alternative to CrowdSec.
- IPBanPro is Paid and Open SourceCrowdSec is Free Personal and Open Source

reaction
Inspired by the honorable Fail2ban, it intend to provide a more lightweight (CPU wise) alternative, easy to configure and well documented.
9 reaction alternatives
License model
- Free • Open Source
Platforms
- Self-Hosted
- Linux
Top reaction Features
1. Lightweight
2. Privacy focused
3. IP Address Blacklist
4. No registration required
5. Ad-free
6. Security monitoring
7. No Tracking
8. Spam Filter
9. Website Monitoring
10. Brute force attack
11. Golang
12. SSH
Show all NaN reaction features ▾
reaction VS CrowdSec
Is reaction a good alternative to CrowdSec?
- reaction is the most popular Self-Hosted alternative to CrowdSec.
- reaction is Free and Open SourceCrowdSec is Free Personal and Open Source
- reaction is LightweightCrowdSec is not according to our users

Denyhosts
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.
17 Denyhosts alternatives
License model
- Free • Open Source
Platforms
- Linux
Denyhosts VS CrowdSec
Is Denyhosts a good alternative to CrowdSec?

SpyLog
Monitor logs from several sources and execute actions based on some rules. Can be used to protecet against brute-force attacks.
18 SpyLog alternatives
License model
- Free • Open Source
Application type
- Remote Desktop Tool
Platforms
- Windows
SpyLog VS CrowdSec
Is SpyLog a good alternative to CrowdSec?