Learn how to send data across networked computers with Netcat using the command line interface. Netcat is a powerful command-line tool used for file transfer, relay and port scanning, and can be a faster alternative to traditional file sharing methods when users want to stay on the command line while sending and receiving data. Netcat is built into Mac OS X, making it convenient to use as an easy way to send data and text over two networked computers.
To get started, set Netcat to listen on the server (computer 1) and port by using the command: nc -l 2999> received. Before calling to go to a client, obtain the IP address of the server from the network control panel or via the command line syntax: ipconfig getifaddr en0.
To send information from the client (computer 2) to the listening server, use the command: cat sendthisdataover.txt | nc 192.168.1.101 2999. Replace the IP address with your own and attach the file or text you want to send. Data transfer is usually fast if the local network is fast. Once the transfer is complete, the connection is closed on both sides and the server stops listening then closes the port.
Note that using Netcat for security is best reserved for advanced users or for use exclusively behind secure local area networks. In situations where security is essential, use SSH instead.
Benefits of Sending Data with Netcat Command Line
- Simple and easy-to-use command-line interface
- Convenient for users who want to stay on the command line while sending and receiving data
- Can be faster than traditional file sharing methods
FAQs About Sending Data with Netcat Command Line
What is Netcat?
Netcat is a powerful command-line tool used for file transfer, relay and port scanning, and can be a faster alternative to traditional file sharing methods.
Can I send any kind of data with Netcat?
Yes, almost all kinds of data can be sent, such as the results of another application, tailing, copying and pasting from the clipboard, and more.
Is Netcat secure for sending data?
Netcat does not require logins or authentications, which can potentially lead to security misuse. It is best reserved for advanced users or for use exclusively behind secure local area networks. In situations where security is essential, use SSH instead.
Can I use Netcat to send data between Macs and Linux machines?
Yes, Netcat can be used to send data between different operating systems, including Macs and Linux machines.
Final Note
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