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Netcat (nc)

Networking & Sniffing

The TCP/IP Swiss Army Knife.

Customize the parameters below to generate your target command. Use the preview box to verify syntax and click the clipboard icon to copy.

Configure Options

Generated Command

bash - CommandsLab
$ nc -p 4444 4444

Command Breakdown

  • Tool:Netcat (nc) — The TCP/IP Swiss Army Knife.
  • Mode:Listen (-l)
  • Port:4444

About this tool

Netcat is a featured networking utility which reads and writes data across network connections, using the TCP/IP protocol.

Pro Tip: Focus on understanding the core options first. You can use the generated command directly in your terminal, and view the Command Breakdown above to see what each flag does.