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FastNetMon

Features
Ease of use
Ease of management
Quality of support
Affordability
Market presence
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Pricing from
$115 per month
Free Trial
Free version
User corporate size
Small
Medium
Large
User industry
  1. Energy and utilities
  2. Transportation and logistics
  3. Information technology and software

What is FastNetMon

FastNetMon is a network traffic monitoring and DDoS detection tool that analyzes flow data (such as NetFlow/sFlow/IPFIX) and packet data to identify volumetric attacks and abnormal traffic patterns. It is typically used by ISPs, hosting providers, and enterprises that operate their own network edge and need automated alerting and mitigation triggers. The product is commonly deployed on Linux and integrates with network devices and routing controls to support automated response workflows. It is offered in an open-source edition and a commercial edition with additional features and support.

pros

Flow-based DDoS detection

FastNetMon supports common telemetry sources used in carrier and data-center networks, including NetFlow, sFlow, and IPFIX. This allows detection of volumetric anomalies without requiring inline placement in the traffic path. It fits environments where routers and switches already export flow records and operators want DDoS visibility at the network layer.

Automated mitigation integrations

The product is designed to trigger mitigation actions when thresholds are exceeded, such as invoking scripts or integrating with routing-based controls. This supports operational workflows like automated blackholing or redirecting traffic to scrubbing infrastructure. For teams that manage their own network edge, this can reduce time-to-mitigation compared with purely manual response.

Self-hosted deployment flexibility

FastNetMon is typically deployed on customer-controlled infrastructure, which can be important for organizations with data residency or operational control requirements. It can be integrated into existing monitoring and incident-response toolchains via logs and automation hooks. This model can be preferable to services that require routing traffic through a third-party network.

cons

Not a full WAF

FastNetMon focuses on network-layer visibility and volumetric DDoS detection rather than application-layer protections. It does not provide a full web application firewall feature set such as rule-based HTTP inspection, bot management, or API security controls. Organizations needing comprehensive web security typically pair it with separate application security tooling.

Operational complexity for tuning

Effective detection depends on selecting thresholds and baselines that match normal traffic patterns. In dynamic environments, this can require ongoing tuning to reduce false positives and missed detections. Teams without network engineering expertise may find initial setup and tuning more demanding than managed services.

Mitigation depends on ecosystem

While it can trigger actions, the effectiveness of mitigation depends on available downstream controls (e.g., router features, RTBH/FlowSpec support, or external scrubbing capacity). If an organization lacks sufficient upstream capacity or mitigation infrastructure, detection alone may not prevent service impact. This can limit suitability for organizations that cannot influence routing or upstream filtering.

Plan & Pricing

Plan Price Key features & notes
Advanced 10G $115 per month (or $1,380 per year) Covers ~10 Gbps average observed traffic; Unlimited network devices; 1 support ticket/month; 1 FastNetMon instance; $85 one-time activation fee for monthly subscriptions; prices exclude UK VAT where applicable.
Advanced 40G $220 per month (or $2,640 per year) Covers ~40 Gbps average observed traffic; Unlimited network devices; 2 support tickets/month; 2 FastNetMon instances; $85 one-time activation fee for monthly subscriptions; prices exclude UK VAT where applicable.
Advanced 100G $350 per month (or $4,200 per year) Covers ~100 Gbps average observed traffic; Unlimited network devices; 3 support tickets/month; 3 FastNetMon instances; $85 one-time activation fee for monthly subscriptions; prices exclude UK VAT where applicable.
Enterprise Custom pricing For requirements above 100G, large-scale or customised deployments (up to stated "Up to 200 Tbps" on site); dedicated support, compliance assistance, custom instances/ticketing; contact sales for quote.

Seller details

FastNetMon Ltd
London, United Kingdom
2014
Private
https://fastnetmon.com/
https://x.com/fastnetmon
https://www.linkedin.com/company/fastnetmon

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