Wireshark and tcpdump are two examples of security tools that can be used for packet analysis.

Wireshark is a free and open-source packet analyzer. It can capture and analyze network traffic in real-time and also read saved capture files. It allows users to see all network traffic, including packet details, in human-readable form. Wireshark provides a wide range of features that allow users to filter, search, and analyze network traffic in a variety of ways. It can be used for troubleshooting, diagnosing, and analyzing network issues, identifying security threats, and investigating network-related incidents.

Tcpdump is a command-line packet analyzer. It captures and analyzes network traffic in real-time, and also reads saved capture files. It allows users to see all network traffic, including packet details, in a raw format. Tcpdump provides a simple and powerful way to filter and analyze network traffic, it is widely used by network administrators and security professionals. It can be used for troubleshooting, diagnosing, and analyzing network issues, identifying security threats, and investigating network-related incidents.

Both Wireshark and tcpdump are widely used tools for packet analysis and can be used for troubleshooting, diagnosing, and analyzing network issues, identifying security threats, and investigating network-related incidents. Wireshark is more user-friendly, providing a graphical interface and a lot of features, while tcpdump is considered more simple, providing a command-line interface and a powerful filtering capabilities.