What Is ntop and ntopng? Monitoring Explained

ntop is the company, ntopng is the tool most people mean

ntop is a company and an open source project that builds software to monitor network traffic. ntopng is its best known tool: a web based traffic analysis and flow collection application.

In short: ntop makes the tools, and ntopng is the one you open in your browser to see what happens on your network.

Ntopng dashboard
1998

first ntop release

450+

Layer-7 protocols

Open

source tools

Quick answers

What is ntop? What is ntopng?

What is ntopng?

ntopng is a web based network traffic probe and flow collector. It shows hosts, flows, applications and alerts in real time, keeps history and works with packets, NetFlow, sFlow and IPFIX. The Community edition is free and open source.

ntop is the company behind ntopng, nProbe, nDPI, PF_RING, n2disk, nEdge and nScrub. The name also comes from the original ntop tool, released in 1998, whose successor is ntopng (next generation).

ntop is the original tool and the company name. ntopng is the current product. If you want to monitor a network today, you want ntopng.

Yes, the Community edition is free and open source (GNU GPLv3). Pro and Enterprise editions are commercial. See the pricing page.

The tools

The ntop product family

ntopng

Traffic analysis and flow collection in a web interface.

nProbe

NetFlow, IPFIX and sFlow probe and collector.

nDPI

Open source deep packet inspection library.

PF_RING

Packet capture acceleration for Linux.

n2disk

Record full packets to disk without loss.

nEdge and nScrub

Gateway policies and DDoS mitigation.

What it does

What ntopng helps you do

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Brand and logos

Logos and colors of ntop and its products.

FAQ

Frequently Asked Questions

What does ntop stand for?

ntop is the name of the project and company. It comes from the original tool, a network top: a top-like view of network traffic.

ntopng is developed by ntop, with a community of contributors, as open source software on GitHub.

From packages.ntop.org/, see the download hub, or from GitHub for the source code.

Get started

Try ntopng on your network

Download the free Community edition, compare editions and buy in the shop, or talk to the ntop team about your requirements.