The equipment is a Mikrotik router
I have set the interfaces to use ONLY my internal bridge port and the clans
that I require
But the NFsen is STILL show 2 separate things
2018-05-22 17:19:54.880 0.000 TCP 192.168.88.100:58348
<http://217.28.20.148/nfsen/nfsen.php#null> -> 217.28.xxx.xxx:6080
<http://217.28.20.148/nfsen/nfsen.php#null> 6 2332 1
2018-05-22 17:19:54.890 0.000 TCP 217.28.xxx.xxx:6080
<http://217.28.20.148/nfsen/nfsen.php#null> -> 217.149.97.xxx:58348
<http://217.28.20.148/nfsen/nfsen.php#null> 5 547 1
Regards
Simon
> On 22 May 2018, at 15:11, Brian Candler <b.cand...@pobox.com> wrote:
>
> > Im trying to figure out how to use NFSen for NAT purposes
>
> 1. What type of device is generating the netflow records?
>
> 2. What *interface* on that device is generating the netflow records?
>
> If this is a Cisco router (and this router is doing NAT): modern versions of
> IOS can be configured to collect Netflow information in both "inbound" and
> "outbound" directions on the same interface. So configure netflow on the
> *inside* interface only, but collecting both in and out. Your netflow
> records will show (private)->(public) and (public)->(private) as mirrored
> pairs as expected.
>
> If this is a Cisco ASA firewall: build nfdump with --enable-nsel and you will
> see both original and NAT'd addresses.
>
> If this is something else: tell us what you have :-)
>
>
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