Release Date: May 19, 2002.
When your computer is constantly connected to the Internet or to a network, it is vulnerable to attacks and malware infections. In addition to using a powerful and updated antivirus solution, you can also use a network analysis tool to identify the malicious packets and block them. Ethereal is the tool to do that.
Ethereal, is a protocol analyzer, or packet sniffer application, used for network troubleshooting, analysis, software and protocol development, and education. It has all of the standard features of a protocol analyzer. It allows the user to see all traffic being passed over the network (usually an Ethernet network but support is being added for others) by putting the network card into promiscuous mode.
Ethereal allows you to choose the one you want to use for capturing the network traffic. Once the capture has begun, you can monitor all the connections and their corresponding details – you also get the chance to create filters so as to track only certain types of connections.
It also comes with a Statistics function that can be used to generate reports to be analyzed at a later time. Depending on your necessities, you can choose to view the details of the protocol hierarchy, endpoint, packet lengths or the IO graph.
Overall, Ethereal can come in handy to all those who want to be in control of their network connections and limit them whenever needed. However, it does take an expert to use the app to its full potential.
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