Community Edition

FastNetMon - A high performance DoS/DDoS load analyzer built on top of multiple packet capture engines (NetFlow, IPFIX, sFlow, SnabbSwitch, netmap, PF_RING, PCAP).

What do we do?

We detect hosts in the deployed network sending or receiving large volumes of traffic, packets/bytes/flows, per second and perform a configurable action to handle that event. These configurable actions include notifying you, switching off the server, or blackholing the client.

Flow is one or more ICMP, UDP, or TCP packets which can be identified via their unique src IP, dst IP, src port, dst port, and protocol fields.

Integration with flow systems

At a very high level integration with FastNetMon is fairly simple. In both cases the work flow is the same and the main difference being the port numbers provided. The port numbers are configurable.

sFlow

Configure the IP of the server running FastNetMon using port 6343. This port number is configurable.

Netflow

Configure the IP of the server running FastNetMon using port 2055. This port number is configurable.

License: GPLv2

Official mirror at GitLab

Project

Official site
Mailing list
Slack
FastNetMon Advanced, Commercial Edition
If you want add an idea
Chat: #fastnetmon at irc.freenode.net web client
Detailed reference in Russian: link

Supported packet capture engines

NetFlow v5, v9
IPFIX
v4 (since 1.1.3), v5
Port mirror/SPAN capture with PF_RING (with ZC/DNA mode support need license), SnabbSwitch, NETMAP and PCAP

You can check out the comparison table for all available packet capture engines.

Complete integration with the following vendors

A10 Networks Thunder TPS Appliance integration
MikroTik RouterOS Please use only recent versions of RouterOS!

Travis status:

Features

Complete BGP Flow Spec support, RFC 5575
Process and distinguish incoming and/or outgoing traffic
Trigger block/notify script if an IP exceeds defined thresholds for packets/bytes/flows per second
Thresholds can be configured per-subnet with the hostgroups feature
Announce blocked IPs via BGP to routers with ExaBGP
GoBGP integration for unicast IPv4 announcements (you will need to build support for this manually).
Full integration with Graphite and InfluxDB
API (you will need to build support for this manually)
Redis integration
MongoDB integration
Deep Packet Inspection (DPI) for attack traffic
netmap support (open source; wire speed processing; only Intel hardware NICs or any hypervisor VM type)
SnabbSwitch support (open source, very flexible, LUA driven, very-very-very fast)
Filter NetFlow v5 flows or sFLOW packets with LUA scripts (useful for excluding particular ports)
Supports L2TP decapsulation, VLAN untagging and MPLS processing in mirror mode
Works on server/soft-router
Detects DoS/DDoS in as little as 1-2 seconds
Tested up to 10Gbps with 12Mpps on an Intel i7-3820 processor with an Intel 82599 NIC
Complete plug-in support
Capture attack fingerprints in PCAP format
Complete support for most popular attack types