NetTrace

NetTrace is a simple packet analyzer for Linux, written in C++.

The application currently runs as a CLI tool and provides core packet sniffing and analysis capabilities across multiple network layers.

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Features

• Capture packets live from a network interface

• Analyze packets from a PCAP file

• Parse packet headers across the following layers:

  • Data Link Layer
  • Network Layer
  • Transport Layer

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Installation

Run the installation script:

./install.sh

Make sure the script has execute permissions and that you have the required privileges to capture packets.

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Usage

Interactive Mode

nettrace -i

Runs NetTrace in interactive CLI mode.

Capture on a Specific Interface

nettrace -d <interface>

Starts packet capture on the specified network interface (for example, eth0 or wlan0).

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Platform

• OS: Linux
• Language: C++

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Notes

• Root or appropriate capabilities may be required for live packet capture.
• Designed as a lightweight educational and debugging tool.