Learning Path: Wireshark 2 - The Advanced Network Analysis Tool

Network Analysis using Wireshark 2 25 lectures 04:16:07 Network Analysis using Wireshark 2 - The Course Overview This video provides an overview of the entire course. Protocol Analyzers In this video, we will become acquainted with protocol analyzers and also we will understand why we need them and where we can use them.

• What is a protocol and where are protocols used nowadays?
• What end user issues might be related to problems with protocols?
• Protocol analyzers as one of the most powerful tools to solve protocol issues

Wireshark – Data Input Let's explore Wireshark as one of the powerful protocol analyzers and discover with its basic and some analysis-related functions.

• What is Wireshark and where can it be used?
• Deep-dive into data input as the main basic function of Wireshark and the decoding basic function
• Discuss a few analysis-related possibilities of Wireshark and the purpose of its use

Wireshark – Initial Settings We need to become familiar with Wireshark's installation and basic initial setup.

• Downloading Wireshark; parts of the installation (WINPcap and USBPcap)
• Capturing traffic from other network nodes, from one or more interfaces
• Configuring interfaces for further capturing in Wireshark

Wireshark – GUI Interface From this video, listeners will learn the main GUI window part and menu structure possibility for small interface updates from older Wireshark versions to newer ones.

• Discuss what parts does the Wireshark window consist of
• Explore how to start capturing from one or more interfaces
• Basic actions: Start/stop/restart live capture in Wireshark

Protocol Stack – Basics In this video, we will get basic knowledge of protocol stack.

• Discussing protocol and protocol stack

Protocol Stack – Basics (continued) We will continue with the basic knowledge of protocol stack.

• To learn the basics of the seven-protocol-layer OSI abstract model
• To check out an example of a real protocol stack

Protocol Stack in Wireshark We need to discuss how Wireshark shows a protocol in a protocol stack.

• Examine how a protocol stack is shown in your Wireshark
• Talk about how to see the details of each protocol in a stack
• Discuss how to match specification with real capture

Network Analysis using Wireshark 2 - Display Filters Become familiar with applying filtering (selecting specific packets as per rules).

• Discuss why we need to filter in Wireshark
• Learn the rules of display filtering

Display Filters (Continued) Continue the topic to get familiar with applying filtering (selecting specific packets as per rules).

• Learn the rules of display filtering

Display Filters – Final Tuning In this video, we will add something about convenient use of Display filters.

• Understand the convenient possibilities built in Wireshark for Display filtering

Network Analysis using Wireshark 2 - Capture Filters The aim of this video is to become familiar with applying capture filtering (selecting specific packets as per rules).

• Know the difference between Capture and Display filters in Wireshark
• Know if we have any syntax difference
• See the examples of Capture filters

Wireshark – Display Customizing The aim of this video is to become familiar with some added visualization in Wireshark.

• Learn the permanent and temporary coloring rules and the relation with the new scrollbar
• Mark your own packets without any rules
• Add an extra column in the packet list pane

Saving Traces The aim of this video is to learn ways of saving collecting packets.

• Understand the ways of saving traces
• Tuning—how to save specific packets only
• Learn another way to save—text file

Splitting/Merging Files Become familiar with splitting and merging files.

• Why we may need to split/merge files and what it is
• How to split files in Wireshark
• How to merge them back

Name Resolution We need to become familiar with the name resolution mechanism in Wireshark.

• Understand what name resolution is
• Levels of name resolution can be used, and how to switch them on/off?
• How to manually preconfigure names for resolution

Graphical Analysis In this video, we will explore graphics in Wireshark.

• Know why to use graphics
• Understand the Flow graph
• Learn the extra useful settings of Flow graph

Related Packets In this video, we will discuss some Wireshark version 2 useful features, that is, related packets.

• Discuss whether we can separate interesting procedures from each other
• Discover any helpful hints about packets within procedure

Useful Statistics The aim of this video is to explore statistics in Wireshark.

• Discuss about the need of statistics
• Example of graphical statistics in Wireshark – I/O graph

Useful Statistics (Continued) This video continues to explore statistics in Wireshark.

• Non-graphical statistics, that is, protocol hierarchy
• Conversation statistics
• Packet lengths statistics

If Wireshark Doesn't Decode! In this video, we will talk about Wireshark possibilities to decode something, which for certain reasons it cannot decode initially.

• Understand why Wireshark may not decode
• Learn how to fix it

Troubleshooting Overview Become familiar with troubleshooting in general.

• Discuss what is troubleshooting in general and digital networks
• What steps it consists of
• Understand the cycle approach in troubleshooting

Issues with a Particular Service Understand how Wireshark can help in finding and fixing a particular issue.

• What to consider as a particular issue
• Types of issues we may have
• Check symptoms in Wireshark

Low Performance Understand how Wireshark can help in finding and fixing issues related to network throughput limits / low performance.

• Why it's important to think about throughput in your network
• What type of issues you may experience regarding throughput
• How Wireshark could help you find throughput-related symptoms

Additional Help with Security Understand how Wireshark can help in finding and fixing issues related to network security.

• Discuss What questions may be related to network security
• Find a way to come with message-flow symptoms so Wireshark can help us
• Examples with DDoS attack and unauthorized access

Network Analysis using Wireshark 2. 25 lectures 04:16:07 Network Analysis using Wireshark 2 - The Course Overview This video provides an overview of the entire course. Protocol Analyzers In this video, we will become acquainted with protocol analyzers and also we will understand why we need them and where we can use them.

• What is a protocol and where are protocols used nowadays?
• What end user issues might be related to problems with protocols?
• Protocol analyzers as one of the most powerful tools to solve protocol issues

Wireshark – Data Input Let's explore Wireshark as one of the powerful protocol analyzers and discover with its basic and some analysis-related functions.

• What is Wireshark and where can it be used?
• Deep-dive into data input as the main basic function of Wireshark and the decoding basic function
• Discuss a few analysis-related possibilities of Wireshark and the purpose of its use

Wireshark – Initial Settings We need to become familiar with Wireshark's installation and basic initial setup.

• Downloading Wireshark; parts of the installation (WINPcap and USBPcap)
• Capturing traffic from other network nodes, from one or more interfaces
• Configuring interfaces for further capturing in Wireshark

Wireshark – GUI Interface From this video, listeners will learn the main GUI window part and menu structure possibility for small interface updates from older Wireshark versions to newer ones.

• Discuss what parts does the Wireshark window consist of
• Explore how to start capturing from one or more interfaces
• Basic actions: Start/stop/restart live capture in Wireshark

Protocol Stack – Basics In this video, we will get basic knowledge of protocol stack.

• Discussing protocol and protocol stack

Protocol Stack – Basics (continued) We will continue with the basic knowledge of protocol stack.

• To learn the basics of the seven-protocol-layer OSI abstract model
• To check out an example of a real protocol stack

Protocol Stack in Wireshark We need to discuss how Wireshark shows a protocol in a protocol stack.

• Examine how a protocol stack is shown in your Wireshark
• Talk about how to see the details of each protocol in a stack
• Discuss how to match specification with real capture

Network Analysis using Wireshark 2 - Display Filters Become familiar with applying filtering (selecting specific packets as per rules).

• Discuss why we need to filter in Wireshark
• Learn the rules of display filtering

Display Filters (Continued) Continue the topic to get familiar with applying filtering (selecting specific packets as per rules).

• Learn the rules of display filtering

Display Filters – Final Tuning In this video, we will add something about convenient use of Display filters.

• Understand the convenient possibilities built in Wireshark for Display filtering

Network Analysis using Wireshark 2 - Capture Filters The aim of this video is to become familiar with applying capture filtering (selecting specific packets as per rules).

• Know the difference between Capture and Display filters in Wireshark
• Know if we have any syntax difference
• See the examples of Capture filters

Wireshark – Display Customizing The aim of this video is to become familiar with some added visualization in Wireshark.

• Learn the permanent and temporary coloring rules and the relation with the new scrollbar
• Mark your own packets without any rules
• Add an extra column in the packet list pane

Saving Traces The aim of this video is to learn ways of saving collecting packets.

• Understand the ways of saving traces
• Tuning—how to save specific packets only
• Learn another way to save—text file

Splitting/Merging Files Become familiar with splitting and merging files.

• Why we may need to split/merge files and what it is
• How to split files in Wireshark
• How to merge them back

Name Resolution We need to become familiar with the name resolution mechanism in Wireshark.

• Understand what name resolution is
• Levels of name resolution can be used, and how to switch them on/off?
• How to manually preconfigure names for resolution

Graphical Analysis In this video, we will explore graphics in Wireshark.

• Know why to use graphics
• Understand the Flow graph
• Learn the extra useful settings of Flow graph

Related Packets In this video, we will discuss some Wireshark version 2 useful features, that is, related packets.

• Discuss whether we can separate interesting procedures from each other
• Discover any helpful hints about packets within procedure

Useful Statistics The aim of this video is to explore statistics in Wireshark.

• Discuss about the need of statistics
• Example of graphical statistics in Wireshark – I/O graph

Useful Statistics (Continued) This video continues to explore statistics in Wireshark.

• Non-graphical statistics, that is, protocol hierarchy
• Conversation statistics
• Packet lengths statistics

If Wireshark Doesn't Decode! In this video, we will talk about Wireshark possibilities to decode something, which for certain reasons it cannot decode initially.

• Understand why Wireshark may not decode
• Learn how to fix it

Troubleshooting Overview Become familiar with troubleshooting in general.

• Discuss what is troubleshooting in general and digital networks
• What steps it consists of
• Understand the cycle approach in troubleshooting

Issues with a Particular Service Understand how Wireshark can help in finding and fixing a particular issue.

• What to consider as a particular issue
• Types of issues we may have
• Check symptoms in Wireshark

Low Performance Understand how Wireshark can help in finding and fixing issues related to network throughput limits / low performance.

• Why it's important to think about throughput in your network
• What type of issues you may experience regarding throughput
• How Wireshark could help you find throughput-related symptoms

Additional Help with Security Understand how Wireshark can help in finding and fixing issues related to network security.

• Discuss What questions may be related to network security
• Find a way to come with message-flow symptoms so Wireshark can help us
• Examples with DDoS attack and unauthorized access

Network Analysis using Wireshark 2 - The Course Overview This video provides an overview of the entire course. Network Analysis using Wireshark 2 - The Course Overview This video provides an overview of the entire course /ul Wireshark – GUI Interface From this...