How many alternatives to DOSarrest are available?

There are 42 alternatives to DOSarrest listed on CybersecTools, all within the DDoS Mitigation category. Each alternative is matched based on shared capabilities, tags, and NIST CSF coverage areas.

Is DOSarrest free or commercial?

DOSarrest is a commercial DDoS Mitigation tool. It requires a paid license or subscription. Both free and commercial alternatives are available for comparison.

What type of tool is DOSarrest?

DOSarrest is a DDoS Mitigation tool within the broader Network Security category. It is used by security professionals for ddos mitigation capabilities and can be compared against 42 similar tools.

42 Best DOSarrest Alternatives & Competitors (2026)

Top DOSarrest Alternatives and Competitors at a Glance

A closer look at the 8 most relevant alternatives and competitors to DOSarrest, including their key features and shared capabilities.

Gatekeeper

Free

DDoS Mitigation

An open source DDoS protection system that uses distributed algorithms to defend against multi-vector attacks and scale to handle varying bandwidth requirements for network operators and service providers.

Shares 3 capabilities with DOSarrest: DDOS, Network Protection, Mitigation

View Gatekeeper|Gatekeeper alternatives|Compare Gatekeeper

Akamai Prolexic

Commercial

DDoS Mitigation

DDoS protection for cloud, on-premises, and hybrid environments

Key features: DDoS detection and mitigation, Cloud, on-premises, and hybrid deployment options, Network Cloud Firewall with ACL and rule management, 32 global scrubbing centers with 20+ Tbps defense capacity, Zero-second mitigation SLA

View Akamai Prolexic|Akamai Prolexic alternatives|Compare Akamai Prolexic

Infoblox DNS Infrastructure Protection

Commercial

DDoS Mitigation

Protects DNS infrastructure from DDoS and DNS-based attacks

Key features: DDoS attack detection and blocking, DNS hijacking prevention, Cache poisoning protection, NXDOMAIN attack mitigation, Threat Adapt intelligence integration

View Infoblox DNS Infrastructure Protection|Infoblox DNS Infrastructure Protection alternatives|Compare Infoblox DNS Infrastructure Protection

Corero SmartWall ONE

Commercial

DDoS Mitigation

DDoS mitigation system with network threat defense capabilities

Key features: DDoS attack detection and mitigation, Multiple configuration interfaces (CLI, UI, REST API), Inspection control and source control, Flex rules and smart rules for traffic filtering, Threat awareness capabilities

View Corero SmartWall ONE|Corero SmartWall ONE alternatives|Compare Corero SmartWall ONE

Nexusguard DNS Protection

Commercial

DDoS Mitigation

DNS-focused DDoS protection service with scrubbing centers

Key features: DNS-focused DDoS protection, Global network of 40+ DDoS scrubbing centers, Protection for 50,000 ASNs worldwide, DDoS traffic filtering and mitigation, Virtual demo access

View Nexusguard DNS Protection|Nexusguard DNS Protection alternatives|Compare Nexusguard DNS Protection

Allot 5G NetProtect

Commercial

DDoS Mitigation

Cloud-native 5G network security for CSPs with DDoS, IoT, and botnet protection.

Key features: Inline DDoS detection and mitigation for both inbound and outbound traffic, Botnet mitigation by monitoring and isolating infected IoT and bot endpoints, IoT security with scalable, automated response to Tbps-level volumetric attacks, Critical application QoE assurance via policy-driven traffic prioritization, Zero-day attack mitigation using machine learning

View Allot 5G NetProtect|Allot 5G NetProtect alternatives|Compare Allot 5G NetProtect

Genie Networks GenieATM

Commercial

DDoS Mitigation

Network traffic analysis and DDoS detection/mitigation platform for ISPs and IDCs.

Key features: Multi-dimensional traffic analysis using correlated Flow records, SNMP, and BGP data, Machine-learned DDoS detection including carpet bombing and zero-day anomalies, BGP routing instability detection (hijacks, unexpected changes, excessive BGP updates), Real-time and historical Traffic Snapshot with Top-N analysis and drill-down, Automated mitigation via BGP FlowSpec and Remote Black Hole Routing

View Genie Networks GenieATM|Genie Networks GenieATM alternatives|Compare Genie Networks GenieATM

HARPP DDoS Mitigator

Commercial

DDoS Mitigation

Hardware DDoS mitigation appliance using Deep DDoS Inspection (DDI™) tech.

Key features: DDI™ (Deep DDoS Inspection) technology for real-time DDoS traffic detection and mitigation, Anomaly detection engine using heuristic and non-heuristic algorithms, 34+ data sensors for traffic analysis and threat identification, Proportional analysis based on historical data and time-averaged baselines, Protocol-specific protection and normalization for web and DNS infrastructure

View HARPP DDoS Mitigator|HARPP DDoS Mitigator alternatives|Compare HARPP DDoS Mitigator

The most popular alternatives to DOSarrest include Gatekeeper, Akamai Prolexic, Infoblox DNS Infrastructure Protection, Corero SmartWall ONE, and Nexusguard DNS Protection. These DDoS Mitigation tools offer similar capabilities and are frequently compared by security professionals evaluating their options.

Best DOSarrest Alternatives & Competitors in 2026

DOSarrest Alternatives and Competitors

Top DOSarrest Alternatives and Competitors at a Glance

All 42 Alternatives & Competitors to DOSarrest

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