ntop

ntop

Interview with Luca Deri
In this video Luca presents the ntop project and gives an outlook of future activities. It was presented during the OSS conference that took place last May in Bolzano. Finally this short interview gives an idea of how ntop can benefit when integrated with commercial applications and vendors such as Würth-Phoenix. …
ntop

Extending ntop using Python
ntop was designed to be self-contained in order to avoid people configuration and usage headache. Unfortunately the drawback is that extending ntop has always been a difficult activity as users had to code in C and know ntop’s internals. Recently thanks to the integration of ntop with Python, it is possible to script the application and add new features on the fly with minimal effort and no knowledge of how ntop works internally. This tutorial shows how the ntop+Python integration works, and it describes what users can do with it. …
ntop

Meet ntop @ Bolzano (May 20th): Conference on Nagios, NTOP @ OSS Monitoring featuring Ethan Galstad an Luca Deri
Following the great interest in 2009, the successful series of an international Conferences on Nagios, NTOP and OSS Monitoring will continue also in 2010. Therefore the organization team of Würth Phoenix spared no efforts to top last year’s agenda and bring international Nagios and OSS Monitoring experts to Bolzano/Italy. This way, next to Nagios founder Ethan Galstad also Michael Medin, Cacti Europe leader Reinhard Scheck, ntop founder Luca Deri as well as the worldwide experienced Swedish Nagios service provider of op5 will be among the key speakers. The presented sessions …
nProbe

IANA Assigned a PEN to ntop
Internet Assigned Numbers Authority (IANA) has assigned to ntop the 35632 PEN (Private Enterprise Number) number. This means for instance that nProbe extensions (e.g. HTTP and VoIP traffic monitoring) will be exported using IPFIX using a valid template that will be recognized by all flow collectors available in the market. A side effect is that whoever will use ntop/nProbe to monitor its own network or code monitoring extensions will be able to export them using a uniform template that will be handled by all applications. This is a major step …
ntop

ntop.org Accredited as Endace Technology Partner
We’re proud to announce that ntop.org has been accredited as Endace technology partner as recognition for ntop contribution in the open-source world and also as guarantee for Endace customers that products such as ntop and nProbe run smoothly (and faster) on Endace DAG cards. …
ntop

ntop ASA Support
ntop supports NetFlow since many years including the latest v9/IPFIX versions. In 2005 Cisco ha releases a new line of  x86 based security devices named ASA that unfortunately have not been supported by ntop/nProbe for a long time. As of today (June 15th 2010, SVN revision 4299) ntop/nProbe finally supports ASA. Please note that as ASA units do not export templates too often, ntop might need some time to start decoding flows (this until the template is received). Furthermore as the nature of ASA flows (e.g. notify when a new …
nProbe

Port Mirror vs Network Tap
In order to analyze network traffic, it’s necessary to feed ntop/nProbe with network packets. There are two solutions to the problem: port mirror (also called SPAN in Cisco parlance) network tap Prior to explain the differences between these two solutions, it’s important to understand how ethernet works. In 100 Mbit and above, hosts usually speak in full duplex meaning that a hosts can both send and receive simultaneously. This means that on a 100 Mbit cable connected to a host, the total amount of traffic that a host can send/receive is …

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