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Questions tagged [ntop]

38 questions
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ntopng: Host XXX.XXX.XXX.XXX is a flooder [NNN new flows in the last 3 sec]

I am exploring ntopng reports on my router and seeing, that one computer on my LAN is a flooder. ntopng says Host XXX.XXX.XXX.XXX is a flooder [NNN new flows in the last 3 sec] How to explore these flows in more detail to know if they are legal or…
user102132
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ntop not reporting on all interfaces

I'm trying to setup ntop on our machine to see which traffic per IP address on our machine, our machines usually have a /28 allocation and this is configured correctly within CetnOS however ntop is only reporting on the first 7 on them. (eth1:1-8)…
Jono20201
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Problem installing ntop on FreeBSD 6.2

I'm following the instructions at http://www.ntop.org/download.html. At some point during the ./configure phase of the install, I get this error message: configure: error: Unable to find RRD at /usr/local/rrdtool: please use --with-rrd-home=DIR I…
Ian
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Undertstanding NTOP Mail_POP bandwidth data

I'm having some trouble understanding the output of Ntop. I'm receiving high bandwidth warnings for one my (debian) servers from my network provider. Because the server runs only a few low traffic sites, and I couldn't find anything being too busy,…
Tomas
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nTop RRD file architecture

I have a gig of nTop RRD files and I would like to start graphing them with rrdtool (but not with nTop, since I'm hoping to do this with a separate backup of the database as workaround to the impossibility of limiting the RRD files by size), but I…
Seanny123
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nTop Graphing Scripts

I would like to graph the RRD files that nTop creates, but I don't want to re-invent the wheel. What I Know There is an API for nTop that involves python. I have read the details of it yet. I know that nTop is open-source, but it is written in C…
Seanny123
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ntop make install error

when i install ntop, both ./autogen.sh & make done, but in "make install" give this error: ln: `icmpPlugin.so': File exists make[2]: *** [icmpPlugin.so] Error 1 make[2]: Leaving directory `/root/ntop/compiles/ntop-3.3/plugins' make[1]: ***…
hamedsh
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SFP port mirror on 5548 - not working

For the sake of monitoring my internet connection I have set up a port mirror on my Dell powerconnect 5548 from the SFP port to a 1Gb port on the switch, connected to my monitoring interface. The SFP interface is the uplink port to my default…
user46516
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Alternative to Ntop on FreeBSD

ntop is a great tool for recording network throughput statistics for FreeBSD based firewalls. The statistics can be displayed as graphs using a web browser. Ntop, however, has the limitation that it does not allow you to filter the throughput per…
user12566
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3 answers

Ntop monitoring - Hosts visible with no SPAN/mirroring

I am attempting to use ntop to monitor traffic over a Cisco Catalyst switch. I was assuming that in order to see any of the traffic, I'd have to use monitor, as described here:…
Cory J
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How to restart ntopng systemd?

There used to be a file in the /etc/init.d/ folder to restart ntopng. The command that I used to use is: sudo /etc/init.d/ntopng restart But now with Ubuntu 18.04, that file is gone. How do restart ntopng now?
David
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Monitoring traffic using Netflow: port mirroring or streaming?

We have a router that we need to monitor using NetFlow. The router is very important, so we are not allowed to enable Netflow on the router itself. Instead, it will have port mirroring enabled so that it can mirror traffic to another network…
Max Ivak
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Trying to install Nbox on CentOS 7 throws dependency error for mod_auth_xradius. Installing the mod from source etc. does not work

I was trying to set up Ntop for testing purposes on a Virtualbox running CentOS 7. When trying to run yum install nbox I get the following error: --> Finished Dependency Resolution Error: Package: nbox-2.3.0-368.noarch (ntop-noarch) …
Valvyn
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ntopng: How to view rsync traffic

I have ntopng installed. One of my machines is used to rsync data offsite. When I look at the machine in question, I don't see any traffic flows to the remote server, while I see all of its other traffic. Wondering if I am either misunderstanding…
NinjaCat
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Monitoring network output bandwidth of server for each IP address

I've got a network of static file serving servers. I use nginx to serve the files, and munin to monitor the network traffic. I want to know the output bandwidth of the server that goes to each IP address downloading a file to evaluate the bandwidth…
Sina
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