4/23/2021 0 Comments Yum Install Netcat
It is an important utility for system administrators to be aware of and is often referred to as the Swiss army knife of networking tools.You are essentially working in Client mode as you are using your machine to get some information from another machine.The receiving machine operates in listening mode and listens for data over a particular port.
The sending machine sends the data over by building a connection with the receiver. We can see that the type of connection is UDP instead of TCP by using -v option. Just redirecting the incoming connections would create a server that only works one way. Pipes by their nature are first in first out (fifo) and mainly help two process in linux to communicate. The file is named index.html on your system. Then you can use the following command to create a local Netcat server and host the HTML file. Well use the while loop in shell scripts to ensure the server continues to listen on the port 8080 and serve our index.html page for each request. Hackers can use a backdoor to gain access to your system in a way that bypasses the systems customary security mechanisms. This makes use of -e option available with the Netcat command. Netcat to execute a specified program when a client connects to it. To prevent this we use the -k flag which forces the server to stay up regardless of the connection with the client-side. ![]()
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