Completely open and transparent development process. Follow us at GitHub!
Detects DDoS attack in 2 seconds
Complete support for BGP v4 and BGP flow spec (RFC 5575). Tested compatibility with Cisco, Juniper, A10 Networks, Extreme, Brocade, Mikrotik.
– NetFlow v5, v9
– sFLOW v4, v5
– Port mirror/SPAN
FastNetMon is a very high performance DDoS detector built on top of multiple packet capture engines: NetFlow, IPFIX, sFLOW.
It could detect malicious traffic in your network and immediately block it with BGP blackhole or BGP flow spec rules.
It has solid support for all top network vendors and has unlimited scalability due to flexible design.
You could integrate FastNetMon into any existing network without any changes and additional hardware!
FastNetMon licensed under GPLv2 terms and has very strong community around it.
Free and open source
What our customers are saying about us
FastNetMon was built with interoperability in mind. Every day we are working hard on protocols and their corner cases. Modern Internet consist of hundreds of protocols and thousands of brands. It’s very complicated to support them all without cooperation. And we are pleased to share result of our cooperation with one of top vendors on Read more
Hello, Network guys! In this article I’ll try to share my experience with different traffic monitoring solutions. As you know I’m FastNetMon author and we support wide range of capture engines from really long list of vendors. From first days FastNetMon was developed with unification in mind. So we tried hard to implement all possible options to monitor your traffic and Read more
Hello! Recently I discovered one pretty ugly bug with Mikrotik devices: https://github.com/pavel-odintsov/fastnetmon/issues/620 It was caused by software error because for some reasons Mikrotik produced flows with negative length. It’s pretty tricky to find this sort of bugs because only small number of Netflow collector software will notify you about incorrectly crafted Netflow. Also I found Read more
Hello! In cooperation with Ronan Daly I’d love to provide Slack support for FastNetMon! Check it here.
Hello, my dear Community! Recently we have finished significant step in FNM development with huge help from Community side! You could check brilliant integration with A10 Networks TPS: prepared by Eric Chou and Rich Groves from A10 Networks. Thanks! 🙂
Hello, my dear Community! Recently we have finished another significant step in FNM development with GREAT help from Community side! So you should look at awesome Mikrotik integration code by Maximiliano Dobladez from MKE Solutions / mkesolutions.net. Thanks! 🙂
Hello, everybody! I would like to announce new awesome release of FastNetMon – 1.1.3. Here you could find a lot of changes from master tree which was tested really well for few last months. If you have any feedback, please fill survey. So I’ve moved from 1.1.2 to 1.1.3 and 1.1.3 become “stable”. Please keep Read more
Hello, my Dear Community! I would like to share this awesome slides from Vicente He presented this speech at NANOG 66 at San Diego, CA, US.
Hello my Dear Community! I would like to share some results from my resent task. This article about Graphite optimization. So I have huge feedback about issues with InfluxDB. For example you could check this and this. I would like to remove my recommendations for InfluxDB because it’s unstable and has huge amount of memory leaks. Read more
Hello, Community! My presentation approved to RIPE71. Video here. I will be very happy to saw you on my presentation 🙂