May 24, 2022 · The Netcat (nc) command is a command-line utility for reading and writing data between two computer networks. The communication happens using either TCP or UDP. The command differs depending on the system (netcat, nc, ncat, and others).

Feb 24, 2020 · Netcat (or nc) is a command-line utility which reads and writes data across network connections, using the TCP or UDP protocols. Netcat is cross platform and it is available for Linux, macOS, Windows and BSD.

Jun 9, 2022 · Learn what the Netcat utility program is and the different types of commands it can support to help IT organizations manage their networks in a better way.

Oct 28, 2024 · Netcat is a Unix utility that reads and writes data across network connections using TCP or UDP protocol. The following tasks can be done easily with Netcat: Connect to a port of a target host. Listen to a certain port for any inbound connections. Send data across client and server once the connection is established.

Reverse shells are often used to bypass the firewall restrictions like blocked inbound connections. This cheat sheet provides various for using Netcat on both Linux and Unix.

Jul 9, 2021 · By default, netcat operates by initiating a TCP connection to a remote host. The most basic syntax is: This will attempt to initiate a TCP connection to the defined host on the port number specified. This functions similarly to the old Linux telnet command. Keep in mind that your connection is entirely unencrypted.

Aug 9, 2019 · Netcat (or nc in short) is a simple yet powerful networking command-line tool used for performing any operation in Linux related to TCP, UDP, or UNIX -domain sockets.

Oct 18, 2021 · Netcat has a basic syntax of: nc [options] host port You can use the -n flag to enter numeric-only or the IP address of the host; which will bypass the DNS name resolution: nc -n …

Mar 11, 2025 · Netcat command in Linux uses TCP or UDP connections between two hosts. It serves as a client (sending data) or a server (listening for incoming connections).

Nov 1, 2023 · We covered the basic syntax of Netcat and provided practical examples of its various applications. We also discussed common troubleshooting scenarios and presented a table summarizing the core commands for quick reference.