Best Haltdos Web Application Firewall Community Edition Alternatives & Competitors in 2026

Sucuri Website Firewall

Cloud-based WAF protecting websites from attacks, DDoS, and exploits

Array ASF Series Web Application Firewall

WAF protecting web apps from OWASP Top 10, DDoS, and zero-day attacks

SiteLock Pro

Website security platform with WAF, CDN, malware scanning, and backups

Myra Application Security

Cloud-based web app & API protection with WAF, DDoS mitigation & bot mgmt

Sense Defence AI Web Security Suite

AI-powered cloud WAF with DDoS protection, bot management, and rate limiting

Cloudflare WAF

A cloud-based web application firewall that protects applications from various cyber threats through rule-based filtering, machine learning detection, and integrated security features.

Penta Security WAPPLES

Web application firewall protecting enterprise web apps and APIs

Array Networks Web Application Firewall

WAF protecting web apps and APIs from zero-day attacks and cyber threats

MONITORAPP AIWAF

WAAP solution protecting web apps and APIs from threats across environments

Prophaze EagleEye WAF

Cloud-based WAF protecting web apps from threats with AI-powered analysis

Sucuri Website Security

Cloud-based website security platform with WAF, malware removal, and CDN

Imperva Application Security

Platform protecting web apps and APIs from attacks, bots, and DDoS threats

Fortra Managed Web Application Firewall (WAF)

Managed WAF service protecting web apps and APIs from attacks and threats

Baffin Bay Application Security

Web app and API protection with WAF, DDoS mitigation, and bot defense

SiteLock Website Security Solutions

Website security platform with malware scanning, WAF, and CDN protection

PIOLINK WEBFRONT-K

Web Application and API Protection (WAAP) platform with WAF and DDoS defense

Site Blindado WAF

WAF with CDN for e-commerce protection and performance optimization

Polaris Infosec WAAP

AI-powered WAAP platform with WAF, API security, DDoS, and bot mgmt.

Huskeys Adaptive Edge Security

Adaptive edge security layer that enhances existing WAFs without replacement.

Radware Cloud WAF Service

A cloud-based web application firewall service that combines traditional WAF capabilities with AI-driven behavioral analysis to protect web applications across hybrid and cloud environments.

A10 Networks ThreatX

Web app and API protection platform with WAF, bot, DDoS, and API security

Fortinet FortiWeb

WAF protecting web apps and APIs from OWASP Top 10, bots, and DDoS attacks

DBAppSecurity DAS Web Application Firewall

WAF protecting websites and web apps from OWASP Top 10 and zero-day attacks

Indusface AppTrana - WAF

Managed WAF providing web app protection against DDoS, bots, and vulnerabilities

Wallarm Cloud-Native WAAP

Cloud-native WAAP protecting web apps & APIs against OWASP Top 10 & threats

Imperva Advanced Bot Protection

Bot protection for websites, mobile apps, and APIs against automated threats

Sansec Shield

Web application firewall for Magento/Adobe Commerce stores

F5 BIG-IP Advanced WAF

WAF protecting apps and APIs from attacks, bots, and OWASP Top 10 threats

Cisco Web Application and API Protection (WAAP)

Web app, mobile app, and API protection with bot and DDoS mitigation

Trusted Knight Protector Air

Cloud-based web & browser transaction protection with malware detection

Atomicorp Atomic ModSecurity Rules & WAF

ModSecurity-based WAF ruleset for detecting and blocking web app attacks.

DataDome Cyberfraud Protection Platform

Cloud-based bot detection and cyberfraud protection for web, mobile & APIs.

VIRTIS

Cloud-native WAAP platform with WAF, API security, DDoS, and bot mgmt.

Akamai App & API Protector

WAF solution with API security, bot management, and DDoS protection

AWS Web Application Firewalls (WAFs)

AWS Web Application Firewalls (WAFs) are cloud-based security services that protect web applications and APIs from internet-based attacks through customizable filtering rules and centralized management capabilities.

Naxsi

NAXSI is a third-party nginx module that prevents XSS and SQL injection attacks by filtering HTTP traffic based on predefined security rules.

ModSecurity

ModSecurity is an open-source web application firewall that provides a flexible and scalable way to monitor and control HTTP traffic.

Check Point CloudGuard WAF

WAF protecting web apps and APIs using ML and contextual AI

Indusface AppTrana AppSec Platform

AI-powered WAAP platform with ASM, vuln scanning, WAF, API protection & DDoS

F5 Distributed Cloud WAF

SaaS-based WAF for protecting web apps across multi-cloud, on-prem & edge

Oracle Cloud Infrastructure WAF

A cloud-based web application firewall service that protects web applications from malicious traffic through threat intelligence, access controls, and bot management capabilities.

Alibaba Cloud Web Application Firewall (WAF)

Cloud-based WAF providing web app, API, and bot protection for cloud services

F5 Application Delivery and Security Platform (ADSP)

Platform for app delivery, security, API protection, and WAF across environments

Sense Defence Advanced Firewall

Cloud-based firewall with traffic inspection and automated threat response

MONITORAPP AIAssist Managed Rules

Managed ruleset service for cloud-native WAFs across AWS, Azure, and GCP

Indusface SwyftComply

Autonomous vulnerability remediation via virtual patching for web apps and APIs

Cloudbric Managed Rules

Managed security rules for AWS WAF protecting web apps and APIs

Alibaba Cloud Web Application Firewall (WAF)

Alibaba Cloud's fully managed WAAP solution for web, API, and bot protection.