Network Protocol Analysis Using Wireshark Part-1

Learn Network Protocols

Wireshark

Understand TCP/IP Communications

Traffic Analysis

The Network Packet Analysis (NPA) course starts with the fundamental networking basic concepts, networking methodologies. This course will drive you into necessary software tools to analyze network data packet traffic

Basic knowledge of Networking

Understanding TCP/IP fundamentals.

A computer with Internet connection

What is network protocol

A network protocol is an established set of rules that detee how data is transmitted between different devices in the same network. Essentially, it allows connected devices to communicate with each other, regardless of any differences in their internal processes, structure, or design.

What is wireshark

Wireshark is a GUI network protocol analyzer. It lets you interactively browse packet data from a live network or from a previously saved capture file. Wireshark's native capture file format is pcapng format, or pcap which is also the format used by tcpdump and various other tools.

Wireshark can also be used to intercept and analyze encrypted TLS traffic. Symmetric session keys are stored in the browser, and with the appropriate browser setting (and permission and knowledge of the user) an administrator can load those session keys into Wireshark and examine unencrypted web traffic. Wireshark comes with graphical tools to visualize the statistics. This makes it easy to spot general trends, and to present findings to less-technical management. This is a practical course, so you will explore more.

What will you learn

In this course, you will first be introduced to the Wireshark tool. Once you get to know the different features and navigation in Wireshark, we will get into the Analysis of Protocol Structure, where the following protocols would be explained in detail,

ARP

ICMP

IP

UDP

TCP

DHCP

DNS

HTTP

FTP

Network Eeer

Computer Forensics/Digital Forensics Professionals

Incident Response Personnel

Information Security Professionals

IT Managers

Law Enforcement Personnel

Legal Professionals

Network Administrators and Architects

System Administrators



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