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What is tcpdump?

Tcpdump is a powerful command-line tool designed for the examination of network packets, allowing users to inspect the specifics of the packets that are sent or received by the computer's network connection. It is compatible with various Unix-like operating systems, including Linux, Solaris, FreeBSD, NetBSD, OpenBSD, and macOS, and it utilizes the libpcap library to efficiently capture network traffic. This utility can analyze packets directly from a network interface card or from pre-recorded packet files, offering the option to send output to standard output or a designated file. Additionally, users can implement BPF-based filters to control the amount of packet data they analyze, which is particularly beneficial in scenarios with high network traffic. Tcpdump is freely distributed under the BSD license, promoting widespread accessibility and use. Furthermore, it is frequently available as a native package or port across many operating systems, simplifying the process of updates and maintenance for users. The straightforward nature of Tcpdump enhances its appeal, making it a favored choice among network administrators and analysts for effective network troubleshooting. Its versatility and ease of access have solidified its status as an essential tool in network analysis.

What is NetBSD?

NetBSD is an entirely free, swift, secure, and remarkably versatile open-source operating system that resembles Unix. It supports a wide range of platforms, including powerful servers, efficient desktop systems, and portable devices. Since its inception in 1993, NetBSD's code has infiltrated many unexpected environments, largely owing to its established reputation for quality, cleanliness, and dependability. It is fundamentally based on 4.4BSD Lite2, which was developed at the University of California, Berkeley. Rather than being a conventional "distribution," NetBSD has evolved over the decades into a unique and all-encompassing operating system within the BSD family, bolstered by a worldwide community of developers. Users enjoy a seamless, well-documented UNIX-like experience characterized by simplicity while also incorporating a plethora of modern features and ensuring compatibility with the latest hardware. This blend of characteristics has established NetBSD as an attractive option for both tech enthusiasts and industry professionals. As it continues to grow, its community remains dedicated to enhancing its capabilities and preserving its core values.

Media

Media

Integrations Supported

C
C++

Integrations Supported

Asterisk
Crush
DropBear
Honggfuzz
Muon SSH Terminal
Rudix
WezTerm
american fuzzy lop
pkgsrc
pygame
raylib
smartmontools
syzkaller
tmux
xterm

API Availability

API Availability

Pricing Information

Free
Free Version

Pricing Information

Free
Free Version

Supported Platforms

Windows
Mac
Linux

Supported Platforms

On-Prem

Customer Service / Support

Web-Based Support

Customer Service / Support

Web-Based Support

Training Options

Documentation Hub

Training Options

Documentation Hub

Company Facts

Organization Name

tcpdump

Company Location

United States

Company Website

www.tcpdump.org

Company Facts

Organization Name

NetBSD

Company Location

United States

Company Website

www.netbsd.org

Categories and Features

Packet Analyzers

Not specified

Packet Capture

Not specified

Categories and Features

Operating Systems

Not specified

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