Top 12 Open-Source Alternatives to Fail2ban

Product categories

Antivirus Bug Trackers CDN Cloud Computing Crash Reporting Cyber Security Log Management Monitoring Tools Security Security & Privacy Tool Web Application Security

Summary

The top open-source alternatives to Fail2ban are Denyhosts, pfSense, and CrowdSec. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Denyhosts Landing Page
1

Denyhosts

The idea of denying access to SSH servers is nothing new and I was inspired by many other scripts...
Pricing:
- Open Source
#Monitoring Tools #Cyber Security #Web Application Security
pfSense Landing Page
2

pfSense

pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more
Pricing:
- Open Source
#Perimeter Security And Firewalls #Cyber Security #Network Security 10 social mentions
CrowdSec Landing Page
3

CrowdSec

CrowdSec is a security automation engine, using both local IP behavior detection & our community-driven IP reputation database.
Pricing:
- Open Source
#Monitoring Tools #Cyber Security #Data Analysis 113 social mentions
Ossec Landing Page
4

Ossec

OSSEC is an Open Source Host-based Intrusion Detection System.
Pricing:
- Open Source
#Security & Privacy #Cyber Security #Monitoring Tools 1 social mentions
BunkerWeb Landing Page
5

BunkerWeb

BunkerWeb is a next-generation and open-source Web Application Firewall (WAF).
Pricing:
- Open Source
#Cyber Security #Web Application Security #Web Application Protection
ModSecurity Landing Page
6

ModSecurity

ModSecurity is an Open Source web application firewall developed by Trustwave's SpiderLabs.
Pricing:
- Open Source
#Web Application Security #Security Monitoring #Security
Zabbix Landing Page
7

Zabbix

Track, record, alert and visualize performance and availability of IT resources
Pricing:
- Open Source
- Free
#Monitoring Tools #Performance Monitoring #DevOps Tools 5 social mentions
MISP Landing Page
8

MISP

MISP Threat Sharing is an open-source threat intelligence platform that allows individuals, small businesses, and large organizations to collaborate on cyber security threat data.
Pricing:
- Open Source
#Security & Privacy #Cyber Security #Tool
ClamAV Landing Page
9

ClamAV

Application and Data, Application Utilities, and Security
Pricing:
- Open Source
#Cyber Security #Security & Privacy #Antivirus 5 social mentions
open-appsec Landing Page
10

open-appsec

open-source machine learning based WAF for Kubernetes Ingress, NGINX, Envoy and API Gateways
Pricing:
- Open Source
#CDN #Cloud Computing #Web Application Security
Datadog Landing Page
11

Datadog

See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.
Pricing:
- Open Source
- Freemium
- Free Trial
- $15.0 / Monthly (per host)
#Monitoring Tools #Log Management #Error Tracking 5 social mentions
Suricata Landing Page
12

Suricata

Suricata is a high performance Network IDS, IPS and Network Security Monitoring engine.
Pricing:
- Open Source
#Security & Privacy #Cyber Security #Tool 12 social mentions