tcpkill
A Linux command-line tool that allows you to kill in-progress TCP connections based on a filter expression, useful for libnids-based applications that require a full TCP 3-way handshake for TCB creation.
tcpkill
A Linux command-line tool that allows you to kill in-progress TCP connections based on a filter expression, useful for libnids-based applications that require a full TCP 3-way handshake for TCB creation.
Data verified May 2026
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tcpkill is a powerful command-line tool that enables you to terminate TCP connections in progress, making it an essential tool for network administrators, security researchers, and penetration testers. With its ability to specify a filter expression using tcpdump syntax, you can target specific connections to kill, giving you granular control over your networks and systems. Whether you're troubleshooting misbehaving connections or mitigating potential vulnerabilities, tcpkill is an indispensable tool that simplifies the process of connection termination.
tcpkill FAQ
Common questions about tcpkill including features, pricing, alternatives, and user reviews.
tcpkill is A Linux command-line tool that allows you to kill in-progress TCP connections based on a filter expression, useful for libnids-based applications that require a full TCP 3-way handshake for TCB creation. It is a Security Operations solution designed to help security teams with Network Administration, TCP.
tcpkill is a free Security Operations tool. This makes it accessible for organizations of all sizes, from startups to enterprises. Visit https://linux.die.net/man/8/tcpkill/ for download and installation instructions.
Popular alternatives to tcpkill include:
1.Finshir - High-performant, coroutines-driven, and fully customisable Low & Slow load generator for real-world pentesting with undetectability through Tor. (Free)
2.Pig - Linux packet crafting tool for testing IDS/IPS and creating attack signatures. (Free)
3.GNU Netcat - A featured networking utility for reading and writing data across network connections with advanced capabilities. (Free)
4.Fortra Cobalt Strike - Threat emulation tool for adversary simulations and red team operations (Commercial)
5.Attify Offensive IoT Exploitation - Private training course for IoT device pentesting and exploitation (Commercial)
Compare these tools and more at https://cybersectools.com/categories/security-operations
tcpkill is for security teams and organizations that need Network Administration, TCP. It's particularly suitable for small to medium-sized teams looking for cost-effective solutions. Other Security Operations tools can be found at https://cybersectools.com/categories/security-operations
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