fastnetmon ☆
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Description:
DDoS detection tool with sFlow, Netflow, IPFIX and port mirror support
Type: Formula  |  Latest Version: 1.2.8@20  |  Tracked Since: Dec 17, 2025
Links: Homepage  |  @FastNetMon  |  formulae.brew.sh
Category: Security
Tags: ddos network-security netflow sflow monitoring
Install: brew install fastnetmon
About:
FastNetMon is a high-performance DDoS detection tool designed to analyze network traffic at line rates exceeding 100 Gbps. It leverages multiple data sources including NetFlow, sFlow, IPFIX, and SPAN/mirror ports to detect malicious traffic patterns. The tool can trigger automated alerts and mitigation actions via BGP, integrating seamlessly with existing network infrastructure.
Key Features:
  • Support for NetFlow, sFlow, IPFIX, and port mirror traffic analysis
  • Real-time DDoS detection with sub-second latency
  • BGP integration for remote triggered blackhole (RTBH) and Flowspec
  • High performance capable of processing 100+ Gbps traffic
  • Flexible alerting and mitigation scripting
Use Cases:
  • Real-time DDoS detection and mitigation in ISP networks
  • Traffic monitoring and anomaly detection for data centers
  • Security monitoring for enterprise edge networks
Alternatives:
  • ntopng – ntopng focuses more on traffic visualization and analysis, while FastNetMon prioritizes high-speed DDoS detection and automated mitigation.
  • ddos-deflate – ddos-deflate works at the application layer using firewall blocks, whereas FastNetMon operates at the network layer with flow protocol support.
Version History
Detected Version Rev Change Commit
Nov 15, 2025 1:27am 18 VERSION_BUMP 0945a9d0
Oct 21, 2025 1:08am 17 VERSION_BUMP 7ecc62e6
Sep 16, 2025 12:17pm 15 VERSION_BUMP e6ee6ea0
Sep 13, 2025 6:28pm 13 VERSION_BUMP 1f4f5312
Jan 10, 2025 5:04am 12 VERSION_BUMP 2eb74c26
Dec 21, 2024 11:51pm 10 VERSION_BUMP 5f6adc88
Sep 29, 2024 8:50am 2 VERSION_BUMP aef21a77
Sep 29, 2024 2:43am 2 VERSION_BUMP 2864273a
Sep 26, 2024 5:18am 1 VERSION_BUMP 30337961
Sep 14, 2024 7:49am 18 VERSION_BUMP 67809154
Sep 13, 2024 4:21am 17 VERSION_BUMP 186240dc
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