Today I will show you how to configure PfSense NetFlow export on one of the more popular open source firewalls.
It is a great firewall that includes a long list of related features, as well as a package system that allows for further expandability. One of the many packages available is pfflowd, which converts OpenBSD PF status messages into Cisco NetFlow datagrams. This allows you export it to an external collector and gives historical reporting of your network activity. Read more »Jimmy Wendler
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