BSD

Try out namebench. It hunts down the fastest DNS servers available for your computer to use. namebench runs a fair and thorough benchmark using your web browser history, tcpdump output, or standardized datasets in order to provide an... more

The Nessus® vulnerability scanner is the world-leader in active scanners, featuring high-speed discovery, configuration auditing, asset profiling, sensitive data discovery and vulnerability analysis of your security posture. Nessus scanners can... more

The Network Dump data Displayer and Editor is a framework for inspection, analysis and manipulation of tcpdump trace files. It addresses the need for a toolset that allows easy inspection, modification, and creation of pcap/tcpdump trace files.... more

Understanding computer networks without performing practical experiments is really difficult, not to say it is almost impossible. Unfortunately, setting up a networking lab can be very expensive.

Netkit is an environment for setting up and... more

Netperf is a benchmark that can be used to measure the performance of many different types of networking. It provides tests for both unidirecitonal throughput, and end-to-end latency. The environments currently measureable by netperf include:... more

BSD · Debian · Freeware · Linux · Ubuntu · Unix · IPv4 · IPv6

The netsniff-ng toolkit consists of the following utilities:

  • netsniff-ng is a high-performance network analyzer based on packet mmap(2) mechanisms. It can record pcap files to disc, replay them and also do an offline and online... more

NetworkMiner is a Network Forensic Analysis Tool (NFAT) for Windows. NetworkMiner can be used as a passive network sniffer/packet capturing tool in order to detect operating systems, sessions, hostnames, open ports etc. without putting any... more

General

Single unified platform for management and monitoring of entire IT infrastructure – from network switches and routers to applications
Automated network discovery for OSI layers 2 and 3
Data collection either... more

Nmap ("Network Mapper") is a free and open source (license) utility for network exploration or security auditing. Many systems and network administrators also find it useful for tasks such as network inventory, managing service upgrade schedules... more

The Node Director is a system management application for centralized user and host management in small to medium sized Unix / Linux / (Windows) system environments.

The Node Director features

user management; templates and user... more

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