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Monitor network traffic: The iftop command in Linux – February 2026

Author/Source: No technical terms See the full link here

Takeaway

This article explains how to use the “iftop” command on Linux to see what network connections are active on your computer. It shows how much data is being sent and received, helping you identify any unusual network activity.


Technical Subject Understandability

Beginner


Analogy/Comparison

Using “iftop” is like looking at a street map to see which cars are driving on which roads and how fast they’re going.


Why It Matters

Monitoring network traffic can help you spot suspicious activity, like a program sending data without your knowledge. For example, if your computer is sending a lot of data to an unknown server, it could be a sign of malware.


Related Terms

None

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