How to use Netcat - A Beginner's Guide {05} (Hindi)

Listening on a TCP/UDP port using netcat is useful for network debugging client applications, or otherwise receiving a TCP/UDP network connection. Let's try implementing a simple chat involving two machines, using netcat both as a client and as a server. We’ll set up netcat to listen for incoming connections on TCP port 5555, on a Windows machine (with IP address 192.168.174.18).

Once we have bound port 5555 on the Windows machine to Netcat, we can connect to that port from the Linux machine to interact with it.

Our text is sent to the Windows machine over TCP port 5555 and we can continue the “chat” from the Windows machine as shown Video.

Although not a very useful example, this simple exercise demonstrates several important features in netcat. Make sure you understand the following points.

    💡Few Questions for my Students give the answer in Comment Box💡

① Which machine acted as the netcat server? ② Which machine acted as the netcat client? ③ On which machine was port 5555 actually opened? ④ The command line syntax difference between the client and server.

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