FAQs


nBox (5)

What is the procedure for becoming resellers?

ntop is interested in providing local support to international customers, by promoting the birth of resellers. Becoming a reseller is very simple: you need to have knowledge of network monitoring, learn the products, and likely translate some documents into the … Continue reading

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Who builds the nBox?

ntop is a pure software company so we don’t do hardware. However we have some partners who build nBoxes on our behalf. So if you decide to buy an nBox, such companies will provide you first-level support and guarantee on … Continue reading

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What is the advantage of being a reseller?

We are coming from the open source community, hence we don’t like to put constraints on resellers. What we ask is to but at least one nBox, get familiar with it, and promote our products. There are no minimal yearly … Continue reading

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What support can we expect with the nBox?

All nBoxes comes with one year software maintenance and hardware warranty. Based on the nBox server manufacturer (usually Supermicro or Dell) the hardware warranty is provided directly by the hardware manufacturer. As of software, we provide updates and remote Internet … Continue reading

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What is the nBox lead time?

Most models are immediately available. For others the time depends on the model and suppliers, but it usually less than 15 working days.

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nProbe (4)

Recommended nProbe Templates

This post explains how to use nProbe templates for monitoring various things included HTTP traffic, and network latency.

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How do I set the input and output interface Id?

By default nProbe tries to emulate a switched environment even if a mirror packet stream is used. For this reason both input and output interfaces are set to the last two bytes of the MAC address of the packet that … Continue reading

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How much bandwidth does NetFlow take during export?

Exporting traffic data in NetFlow takes some bandwith that can be pre-computed using various methods. Below you can find two calculators you can find to estimate it: Flows-per-second Estimator NetFlow Bandwidth Calculator

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How to report a bug on ntop apps?

Unfortunately it can happen that our apps have a bug that leads them to crash. This note explains how to generate crash information that can be used to reproduce and resolve the issue. Whenever you have a bug to report, … Continue reading

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ntop (3)

Starting ntopng on the correct network interface under Windows

ntopng for Windows is a service The ntop installer stores an empty set of options into the registry. Users who need to modify those options can: Open a shell and test your options. In order to do this type "ntop … Continue reading

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How to report a bug on ntop apps?

Unfortunately it can happen that our apps have a bug that leads them to crash. This note explains how to generate crash information that can be used to reproduce and resolve the issue. Whenever you have a bug to report, … Continue reading

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What is the competitive advantage of ntop?

In a globalized world where components coming from many countries need to be packaged together, ntop is unique as the products are home-grown with no dependencies on third parties. This means fast application development/customization and support directly from the source. … Continue reading

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PF_RING (5)

I have a DNA license, can I use it also for PF_RING ZC?

No, PF_RING ZC licenses are different from DNA licenses. You can buy a ZC license for your formed DNA license using a song discount (-50% off). Please contact us if interested.

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How to capture from a bond interface using PF_RING ZC?

Since PF_RING ZC is a kernel-bypass technology and the application directly access the network card, it is not possible to capture from a bond device, however you can aggregate traffic from multiple interfaces directly in ZC, see for example zbalance_ipc … Continue reading

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ZC is faster than DNA because ZC does no copy, but DNA does?

Performance is the same, ZC provides more flexibility working in Zero-Copy (sw queues, multi-process and multi-vm support, etc.)

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What is the PF_RING ZC distribution format?

PF_RING ZC is made of two components: kernel drivers and user-space library. The kernel driver is released in source format as part of PF_RING, whereas the user-space library is released in binary format and it requires a per-MAC licenses.

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Products and Licenses (19)

Shall I use stable or dev packages?

The answer to this question depends on your feelings.  In the stable releases we include only bug fixes for major issues such as crashes or memory leaks that might prevent you from operating the application; all other things like minor fixes, … Continue reading

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How can I renew maintenance for commercial products?

As explained in this document, for permanent licenses after one year since purchase you can no longer upgrade your products. This unless you purchase product maintenance Maintenance cost for one year is set to 25% of the product list price. As … Continue reading

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Do I need a new license if I reinstall my server?

Licenses for commercial products are bound to the hardware where the software runs. Reinstalling the server where you run the commercial ntop products does not require a new license unless you change hardware. Products that use per-MAC licenses such as … Continue reading

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What is the End-User License Agreement for binary products?

See https://svn.ntop.org/svn/ntop/trunk/legal/

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What is your software licensing model?

Most of our products (e.g. ntop and PF_RING) are offered in source format under the GPL or LGPL licenses. Some of them that contain IPR (Intellectual Property Rights) (e.g. PF_RING ZC) that we want to share only with selected users, … Continue reading

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Do you have an OEM License agreement?

We offer some of our products (e.g. nProbe) to OEMs who want to embed it onto their products, often hiding the fact that our products power their solutions. For these customers we have an OEM agreement. Please see https://svn.ntop.org/svn/ntop/trunk/legal/LicenseAgreement/ for … Continue reading

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Do you charge universities, no-profit and research organisations?

No, one of the main principles of ntop is that even if we need support for continuing our developments, we have never charged universities, education, no-profit and research organisations. So if you qualify, we can offer our software products for … Continue reading

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How do I generate licenses for binary products?

When you have purchased your product, you have also received a valid license and instructions on how to generate new ones if needed. Licenses are identified by an orderId that you have received when the license was purchased on our … Continue reading

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How To Recover Issued Licenses?

In case you have lost your licenses, you can now recover them using this form. You need to specify your orderId and email used during registration, and the system will report you the licenses you have generated. As this service has … Continue reading

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Are Commercial Product Licenses Perpetual?

Commercial product licenses are perpetual. When a license is purchased, for one year since purchase, the license can unlock new product versions and entitles you to receive support (maintenance period(. When a year is past, your license cannot unlock future … Continue reading

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What Information Is Necessary for Creating Licenses?

In order to generate licenses for commercial applications, it is necessary to provide some information that changes from product to product. Below is listed the needed information divided per product. Product Name Requested Information PF_RING ZC Network Interface MAC Address … Continue reading

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Can I Try Commercial Products Before Purchase?

All our open-source products do not require a license to operate, thus you can test and use them as you want. All commercial products, if used without a license, work in demo mode for some time (e.g. for 10 minutes, … Continue reading

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What support is included in ntop products?

If you use our open source products, you can take advantage of Github or of the mailing lists to ask support. If you buy a commercial license of our products, included in the product you get 5 days (counted from the … Continue reading

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How can I transfer a License to a new Server?

Licenses for commercial products (open source applications do not need a license) are bound to a specific host or network adapter. However if you need to transfer a license because your server died or simply because you moved the app … Continue reading

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Are Licenses Perpetual? What About Maintenance?

Unless you are using a demo or time-limited license, your license is perpetual and you can use it even after maintenance is expired. This means that since license generation (not purchase): For 5 days you are eligible for installation support via … Continue reading

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Do you offer money-back guarantee for commercial licenses?

Before purchasing commercial licenses, you have the ability to test the products to make sure that they fit your needs. All commercial products runs without license for limited time, and in case you need a longer testing period you can … Continue reading

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What to do if my systemId has changed?

Commercial products (this does not apply to open source code) are conditioned upon acceptance of the licensing terms. Products are bound to the system where they have been activated though a unique system identifier named systemId, generated by ntop products. As products can be … Continue reading

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Privacy Statement

This privacy statement applies to the personal information you provide (e.g. name, email, address etc) when contacting us or registering on the e-shop site. We keep all this information private, do not share with anybody and protect personal data against … Continue reading

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My license does not work: what can I do?

The reason why your license does not work are manyfold. Below are listed some possible solutions: License file name: make sure that the license file name is correct as specified during license creation. Do not change the file name, the case, … Continue reading

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