There are many alternatives to netcat for Linux and since it's discontinued a lot of people are looking for a replacement. The best Linux alternative is Wireshark, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to netcat and nine of them are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to netcat are socat, pwncat, Ettercap and Packet Sender.
Wireshark is a premier network protocol analyzer used globally in industries and education, offering multi-platform support, deep protocol inspection, powerful display filters, and VoIP analysis. It allows both live capture and offline analysis, supporting various networks and protocols.
socat, SOcket CAT, is a relay for bidirectional data transfer between two independent data channels. Each of these data channels may be a file, pipe, device (serial line etc. or a pseudo terminal), a socket (UNIX, IP4, IP6 - raw, UDP, TCP), an SSL socket, proxy CONNECT...
Ettercap is a suite for man in the middle attacks on LAN. It features sniffing of live connections, content filtering on the fly and many other interesting tricks.
Packet Sender can send and receive UDP, TCP, and SSL on the ports of your choosing. All servers and clients may run simultaneously.
Discover and capture container network traffic from your comfy desktop Wireshark, using a containerized service and a Wireshark plugin.
NetCrypt is a small Open Source command line file-transfer utility providing authentication, confidentiality and integrity validation while still maintaining top-notch performance and transfer speed between machines.
httpry is a tool designed for displaying and logging HTTP traffic. It is not intended to perform analysis itself, but instead to capture, parse and/or log the traffic for later analysis. It can be run in real-time displaying the live traffic on the wire, or as a daemon process...
United States
Germany
EU
Wireshark is a tool for monitoring network traffic. Netcat is a tool for generating traffic.