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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 OpenBSD?

The OpenBSD operating system is entirely crafted by a dedicated group of volunteers. The development environment and various events for developers receive funding through donations that are overseen by The OpenBSD Foundation. These contributions are essential for maintaining the availability and sustainability of OpenBSD as a free operating system. Consequently, the OpenBSD project has implemented cryptographic capabilities across numerous aspects of the system. We emphasize that any cryptographic software used must be free of charge and possess suitable licenses. We deliberately avoid using cryptography that is burdened by problematic patents. Furthermore, we focus on obtaining this software from nations with favorable export laws, as we are dedicated to complying with international regulations. Our decision-making is primarily driven by technical merit, steering clear of political considerations wherever feasible. This unwavering commitment to free software and adherence to legal standards highlights the integrity and principles of the OpenBSD project. The ongoing efforts of the community continue to shape OpenBSD into a secure and reliable operating system for users worldwide.

Media

Media

Integrations Supported

C
C++

Integrations Supported

Asterisk
CUPS-PDF
Crush
DropBear
Elixir
Muon SSH Terminal
OpenSSH
Radamsa
Rudix
Scapy
american fuzzy lop
iRedMail
pygame
raylib
smartmontools
syzkaller
tmux

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

OpenBSD

Company Location

Canada

Company Website

www.openbsd.org

Categories and Features

Packet Analyzers

Not specified

Packet Capture

Not specified

Categories and Features

Operating Systems

Not specified

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