Network taps have the ability to preserve traffic directions as based on the port you’re monitoring it is possible to know id traffic is going A -> B or B->A. With port mirrors you completely loose this information (this unless … Continue reading
Introducing nProbe Cento 1.4 with Hardware Flow Offload
This is to announce the new 1.4 stable release of nProbe cento. The most important feature that comes with this new version is definitely the support for hardware flow offloading as well as various bug fixing and improved netflow template … Continue reading
Network Monitoring 101: A Beginner’s Guide to Understanding ntop Tools
The first important step to start with network monitoring is to analyze what we want to monitor and how to deploy the monitoring solution in the existing network. Here are some important questions to ask ourselves before starting the actual … Continue reading
nProbe 8.2 stable is out – A Wink At Next-Gen ASA Firewalls
We are pleased to announce that the new 8.2 release of nProbe is out. This release features full Cisco ASA NetFlow support. ASA are industry’s first threat-focused next-generation firewalls that export a rich set of information through NetFlow. Being able to … Continue reading
When Live is not Enough: Connecting ntopng and nProbe via MySQL for Historical Flows Exploration
Using nProbe in combination with ntopng is a common practice. The benefits of this combination are manyfold and include: A complete decoupling of monitoring activities (taking place on the nProbe) from visualization tasks (taking place on ntopng); The capability of … Continue reading
Introducing nProbe 8.0, the ntopng flow companion
The current nProbe 8.0 release contains many changes with respect to the 7.x series. We have optimised the code, added the ability to collect non standard fields (e.g. Cisco AVC), improved Kafka export, and reworked many tiny details to make … Continue reading
Collecting Proprietary Flows with nProbe
nProbe has been originally designed as an efficient tool able to capture traffic packets and transform them into flows. Call it network probe or sensor. Over the years we have added the ability to collect flows (i.e. nProbe is both … Continue reading
Flow-Based Monitoring, Troubleshooting and Security using nProbe
nProbe is a tool developed over the last 10 years, and thus it has been extended and improved year by year. However many users, even those who are using it since a long time, might not know all its features. … Continue reading
Monitoring VoIP Traffic with nProbe and ntopng
VoIP applications usually limit theirs monitoring capabilities to the generation of CDR (Call Data Records) that are used for the generation of billing/consumption data. In essence you know how many calls a certain user/number has made, the duration etc. While … Continue reading
Stream That Flow: How to Publish nProbe/Cento Flows in a Kafka Cluster
Apache Kafka can be used across an organization to collect data from multiple sources and make them available in standard format to multiple consumers, including Hadoop, Apache HBase, and Apache Solr. nProbe — and it’s ultra-high-speed sibling nProbe cento — integration with the Kafka … Continue reading