How to Install Netcat in Linux?

Netcat has various versions and implementations. Most of them are quite similar but may have some differences in the list of options available. I have used ncat – a reimplementation of netcat, by the creators of NMAP.

Open the terminal and enter the following command in the terminal

sudo apt install ncat -y

This command will install the Ncat package, along with all the dependencies that are required to execute Ncat.

netcat installation

Minimal Web Server Using Netcat

Netcat is a networking utility that can be used to complete various tasks over TCP and UDP. It can be used to send TCP and UDP packets, also it can listen on the ports, specified for UDP and TCP. This utility is well-known for its versatility, as its application ranges from setting up simple chat servers to building your reverse shell. The interesting part about this utility is that it can be used as a web server as HTTP also relies on TCP.

In this article, we will learn how to harness the power of Netcat to spin up a minimal web server in no time.

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How to Install Netcat in Linux?

Netcat has various versions and implementations. Most of them are quite similar but may have some differences in the list of options available. I have used ncat – a reimplementation of netcat, by the creators of NMAP....

Setting up the netcat server

Step 1: Let’s make Netcat listen on an ephemeral port, say port:8000. This can be done by entering the following command in the terminal....

How to Draft an HTTP response?

Now that we have made our Netcat server listen to TCP connection requests, Let’s define a way to handle HTTP requests. Any web server must be capable of receiving and acknowledging HTTP requests. A classic HTTP response looks like the one given below....

How to Connect to Netcat Web Server

We are going to use the conventional way of accessing a web server, using a web browser. Follow the below steps:-...

How to Serve Content to the Web Browser?

We have successfully made a connection via TCP and made our Netcat web server respond to an incoming HTTP request. But till now, we are seeing just blank screens without any content. It’s time to finish building our minimal web server by enabling web content sharing in the form of HTML pages....

Conclusion

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