ZMap is a free and open-source security scanner that was developed as a faster alternative to Nmap. ZMap was designed for information security research and can be used for both white hat and black hat purposes. The tool is able to discover vulnerabilities and their impact, and detect affected IoT devices. Using one gigabit per second of network bandwidth, ZMap can scan the entire IPv4 address space in 44 minutes on a single port. With a ten gigabit connection, ZMap scan can complete a scan in under five minutes. More information...
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