That denotes the amount of traffic at these interfaces. I’ll choose wlp3s0 because I am currently connected to the network through WiFi.Ĭorresponding to each interface, there is a graph kind of a thing. Sometimes, WiFi adapter is identified by wlan0, Ethernet card by en0 or eth0.Ĭurrently ignore the using this filter field.
You may or may not have the same names or the same number of interfaces. wlp3s0, lo, enp2s0 etc., are all various interfaces. That is a list of interfaces from which we can capture packets.
#HOW TO UNDERSTAND WIRESHARK CAPTURES INSTALL#
You can install Wireshark in the following manner. This will help us understand what these headers have. It collects the packets and it analyzes the headers itself and presents all the data in human readable form. A tool which sniffs for packets is called packet sniffer. Wireshark will attach itself to the NIC and collect every single packet that comes to the NIC. We know that every single packet in and out of the machine must go through the Network Interface Card(NIC). To go through the headers, we first need to catch hold of the packets. It’ll be very interesting to go through the contents of these headers, understand what they are which will help us in understanding that particular protocol in general. Each of these packets have headers of multiple protocols.
Some time later, a response is sent back in the form of packets. We saw that data is broken into smaller chunks, multiple headers are added(typically one by each layer) and sent over the network.Įverytime you browse something, requests are sent to the server in the form of packets. In the first 2 articles of this series( article1 & article2), we had a short intro on the Networking Stack.
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