Serverspace Black Friday
October 31, 2022
Updated October 31, 2022

How to install ncat tool on Windows and Linux

Networks Ubuntu Windows

What is netcat

Ncat is popular tool for network diagnistic. Now it is a part on Nmap software. It is available for all "mainstream" operation systems.

Install nmap on Windows

To install nmap (and ncat as part of nmap) please do follow:

  • Login to your server with administrative privileged user;
  • Download the installer and run it. Accept the EULA;


  • Tick the Ncat tool. You may also tick other utilities if you need it. Then choose install destination, click Install and wait a little;



  • Run cmd terrminal and check ncat version;
ncat -v


Checking example

To check ncat is really working, open two terminal windows.

  • On the first window run:
ncat -l <any_port>
  • On the second window run:
ncat -C localhost <choosen_port>

You can "chat" between the windows:



Install nmap on Linux OS

Setup process on Linux (Ubuntu 20.o4 as example is very simple. Just complete this instruction:

  • Authorize as privileged user and run installation command;
apt-get update; apt install -y netcat


Using example the same - open two terminal windows and run these commands:

nc -l # In one session, to check "server-mode"

nc -C # In another terminal, to check "client-mode"



In this article I explained how to install and use ncat tool on Windows 2022 Server and Ubuntu 20.04 LTS.


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