Local Collector UDP Port – default is 2055.Set NetFlow Device – Whatever name you want for your device.You should see the service running and listening on 3000/tcp: Sun Feb 11 16:25:58 2018 Initializing gdbm databases –use-syslog=daemon: ave the messages into the system log.Sysrc ntop_enable="YES" or carefully add it manually to /etc/rc.conf.Īdditional flags can be set, like sysrc ntop_flags="-d -use-syslog=daemon -u nobody -4" Explaining is out of the scope of this article. Installing software from ports and packages on the same server requires lots of attention, so be careful. Using config-recursive instead of config will configure all dependencies as well, so you can step away while the source code is compiling, it could take awhile. Ports however won’t update automatically the ports tree, you have to do it yourself, be sure to do this before installing anything from ports Ready carefully the details, only proceed if you agree with all what the package manager is telling Pkg will update automatically it’s repository, however you can can also invoke it manually with pkg update.
Let’s install Ntop, this can be done using precompiled packages or from source. This article assumes you know already how to install FreeBSD and do basic configurations on Mikrotik. Of course, if you have the big bucks you can go with a Cisco and Ntopng. You can buy a NetFlow capable Mikrotik router for less than $50. Without the probe you can still collect traffic on the server where Ntopng is installed but not from another device. While Ntopng is fancier, requires a probe to collect NetFlow which is not free. While Mikrotik is a budget router it is capable of many. FreeBSD is the best operating system you can go for your server.
A short how to adding NetFlow to Mikrotik using ntop and FreeBSD.
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