ntopng is described as 'The next generation version of the original ntop, a network traffic probe that monitors network usage. ntopng is based on libpcap and it has been written in a portable way in order to virtually run on every Unix platform, MacOSX and on Windows as well' and is an app in the network & admin category. There are three alternatives to ntopng for Windows, Linux and Mac. The best ntopng alternative is snort, which is both free and Open Source. Other great apps like ntopng are ntop and CapLoader.
Snort® is an open source network intrusion prevention and detection system (IDS/IPS) developed by Sourcefire. Combining the benefits of signature, protocol, and anomaly-based inspection, Snort is the most widely deployed IDS/IPS technology worldwide.
NTop is a hybrid layer 2 / layer 3 network monitor, that is by default it uses the layer 2 Media Access Control (MAC) addresses AND the layer 3 tcp/ip addresses. ntop is capable of associating the two, so that ip and non-ip traffic (e.g.
CapLoader performs indexing of PCAP/PcapNG files and visualizes their contents as a list of TCP and UDP flows. Users can select the flows of interest and quickly filter out those packets from the loaded PCAP files.
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