knetdump is a packet sniffer and analyzer for visualizing the basic protocols of the OSI layer 1-4. It can show the headers, connections on the net, and a tcp-connection between two hosts.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.