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.
FEATURES
ALTERNATIVES
Open source software for leveraging insights from flow and packet analysis to identify potential security threats or attacks.
mitmproxy is an interactive, SSL/TLS-capable intercepting proxy with a console interface for HTTP/1, HTTP/2, and WebSockets.
Chaosreader is a tool for ripping files from network sniffing dumps and replaying various protocols and file transfers.
Set up your own IPsec VPN server in just a few minutes with IPsec/L2TP, Cisco IPsec, and IKEv2.
A Burp extension to detect alias traversal via NGINX misconfiguration at scale.
A blog sharing packet capture files and malware samples for training and analysis, with archived posts and traffic analysis exercises.
A printer honeypot PoC that simulates a printer on a network to detect and analyze potential attackers.
Unfurl is a URL analysis tool that extracts and visualizes data from URLs, breaking them down into components and presenting the information visually.
PINNED

Mandos Brief Newsletter
A weekly newsletter providing cybersecurity leadership insights, industry updates, and strategic guidance for security professionals advancing to management positions.

PTJunior
An AI-powered penetration testing platform that autonomously discovers, exploits, and documents vulnerabilities while generating NIST-compliant reports.

OSINTLeak
OSINTLeak is a tool for discovering and analyzing leaked sensitive information across various online sources to identify potential security risks.

ImmuniWeb® Discovery
ImmuniWeb Discovery is an attack surface management platform that continuously monitors an organization's external digital assets for security vulnerabilities, misconfigurations, and threats across domains, applications, cloud resources, and the dark web.

Checkmarx SCA
A software composition analysis tool that identifies vulnerabilities, malicious code, and license risks in open source dependencies throughout the software development lifecycle.

Orca Security
A cloud-native application protection platform that provides agentless security monitoring, vulnerability management, and compliance capabilities across multi-cloud environments.

DryRun
A GitHub application that performs automated security code reviews by analyzing contextual security aspects of code changes during pull requests.