The procedure of transmission of data packets from the source to the destination does not take place in one elaborative step. That is why all the packets have the source and destination IP address assigned to it along with some other information to ensure that the source receives the packets correctly. It is nothing but typical that the receiving end has to receive all the packets. In a TCP/IP mechanism, these packets are assigned to a specific IP address at the receiving terminal. The source machine is responsible for breaking data into packets. They are broken up into several pieces, called packets- before it reaches its destination. Web pages, emails, and messages are not sent through the internet as a whole format. What is a packet sniffing?īefore getting to know how packet sniffing works, we need to understand how routing in internet networking functions. To analyze this loss, we use specialized software called a port sniffer. During transmission, however, these data packets are sensitive to a loss if there are any loopholes in the ports. It is broken down into several pieces called packets, which are then transmitted through routers and ports before it is assembled again and sent to the destination. Contrary to popular notion, data to the destination terminal is not sent as a whole. In layman’s terms, it merely means that the network uses TCP-type data packets to the destination terminal using discrete IP addresses. A brief introduction to port sniffersĪmongst a wide variety of network types, the most commonly used form of networking is TCP/IP (Transmission Control Protocol over Internet Protocol). This procedure is known as packet sniffing. However, this activity, which is transmitted in the form of data packets, is highly sensitive to be analyzed (sniffed) by third-party sources which can then provide details about the total data flow and the loss of data during transmission. One’s internet activity goes through various routers, open ports, and switches until it reaches its destination. Port sniffer | Image by Pete Linforth from Pixabay
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