FastNetMon integration with Radware DefenseFlow

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

sFlow and NetFlow implementation details from real field experience

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

How you could investigate issues with Netflow

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