havn is a lightweight self-contained port scanning application using asynchronous Tokio multithreading to deliver fast and reliable results.
With sensible defaults and configurable options, users are able customise the scanning process according to their needs. It is designed and built to be compatible with multiple platforms, including Docker, and has a binary size of less than 1MB.
This is free and open source software.
Key Features
- Scan all ports.
- Define the maximum number of concurrent results.
- Define the ports to scan.
- Set the maximum number of retry attempts.
- Monochrome mode.
- IPv4 and IPv6 scanning.
- Cross-platform support – runs under Linux (including AARCH64 and ARMv6) and Windows.
Website: github.com/mrjackwills/havn
Support:
Developer: Jack Wills
License: MIT License

havn is written in Rust. Learn Rust with our recommended free books and free tutorials.
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Related Software
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| Netcat | Built-in port-scanning capabilities, with randomizer |
| sx | Network scanner designed to follow the UNIX philosophy |
| unimap | Scan only once by IP address |
| havn | Fast configurable port scanner |
| Nibble | Local network scanning tool |
| XMap | Fast network scanner for large-scale IPv4 and IPv6 research |
| turbo-scanner | Port scanner and service detection tool |
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