Sniffer Utility

This illustrates the use of TCPDUMB command

[TCPDUMP]

Tcpdump is a data-network packet analyzer computer program that runs under a command line interface. It allows the user to display TCP/IP and other packets being transmitted or received over a network to which the computer is attached.

ARTICLE

USAGE

• Ethernet
• ARP
• IPv6
• IPv4
• TCP
• UDP
• ICMP

I have tested this program on Windows 10 Enterprise using WSL ver 2.

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W I N D O W S

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Excute this program using WSL

• open WSL Terminal
• navigate to file path
• type the following command

python sniffer.py www.google.com
python sniffer.py 8.8.8.8

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L I N U X

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• open terminal
• navigate to file path
• type the following command

sudo python3 sniffer.py www.google.com
sudo python3 sniffer.py 8.8.8.8

REQUIRMENT

• Run using SUDO privilege
• Run using Administration privilege

Output

• Ethernet

• ARP

• ICMP ECHO REPLY

• ICMP ECHO REQUEST

• UDP