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4 Days Wireshark Network Analysis Specialization

Course Information

  • Sessions 4 days
  • Duration 30 hrs
  • Level Beginner
  • Assessment NA

Venue

12 Woodlands Square #07-85/86/87 Woods Square Tower 1, Singapore 737715. 5 mins walk from Woodlands (NS9) MRT station.

The venue is disabled-friendly.

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Certification

  • Certificate of Completion from Tertiary Infotech - Upon meeting at least 75% attendance and passing the assessment(s), participants will receive a Certificate of Completion from Tertiary Infotech.

Additional Information

Duration

2 months (Full Time)

Assessment

3 hours online assessment after each module

Class (No of teacher : student): 1:20

Intake

  • 3 Nov 2025 to 29 Sep 2026
  • 4 May 2026 to 26 June 2026
  • 2 Jan 2026 to 2 Mar 2026
  • 2 Mar 2026 to 27 Apr 2026

Enrolment Requirement

  • Age: 21 years old and above
  • Language Proficiency: At least C6 for GCE "O" Level English
  • Academic: At least C6 for GCE "O" Level in any 3 subjects

Graduation Requirement

  • Attendance: 75%
  • Assessment: Passed

4 Days Wireshark Network Analysis Specialization

Course Code: C1123

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What's This Course About

Step into the world of advanced network analysis with our 4-day Wireshark specialization course. This intensive program is designed to equip attendees with the skills to unravel the complexities of network behaviors, performance bottlenecks, and potential security vulnerabilities. The training lays emphasis on key areas such as identifying performance glitches arising from path latency, pinpointing devices that drop packets, and validating the optimal configuration of network hosts. It goes a step further to analyze intricate dependencies, optimize application behaviors, and offer insights into the functionalities of TCP/IP networks.

In the modern digital environment, understanding the behavior and security of applications during various stages is paramount. This course hones in on techniques to verify application security during crucial junctures like login, launch, and data transfer. Participants will also learn to spot anomalies in network traffic, indicative of potentially compromised hosts, and develop proficiency in using graphical representations to report issues such as server performance slowdowns, packet losses, and network congestion. By the end of this immersive course, attendees will have transformed into network analysis mavens, adept at leveraging Wireshark for optimal network health and security.

WSQ Funding

Full Fee $1,200.00 Before GST
GST $108.00 9% of fee
Baseline Nett $708.00 SG/PR age 21+ · 50% funded
MCES / SME Nett $468.00 SG age 40+ · 70% funded
Funding and Grant Applications

No funding is available for this cours.

Course Fee

$1,200.00 (GST-exclusive)
$1,308.00 (GST-inclusive)

Course Date

Course Time

* Required Fields

Additional Note

Please bring your own laptop for hands-on training. If you don't have laptop, we can provide spare laptop for training use.

Post-Course Support

  • We provide free consultation related to the subject matter after the course.
  • Please email your queries to enquiry@tertiaryinfotech.com and we will forward your queries to the subject matter experts.

Cancellation & Reschedule Policy

  • You can register your interest without upfront payment. There is no penalty for withdrawal of the course before the class commences.
  • We reserve the right to cancel or re-schedule the course due to unforeseen circumstances. If the course is cancelled, we will refund 100% for any paid amount.
  • Note the venue of the training is subject to changes due to availability of the classroom.

Course Details

Course Details

What You'll Learn

Topic 1. Introduction to Network Analysis and Wireshark

  • TCP/IP Analysis Checklist
  • Top Causes of Performance Problems
  • Get the Latest Version of Wireshark
  • Capturing Traffic
  • Opening Trace Files
  • Processing Packets
  • The Qt Interface Overview
  • Using Linked Panes
  • The Icon Toolbar
  • Master the Intelligent Scrollbar
  • The Changing Status Bar
  • Right-Click Functionality
  • General Analyst Resources
  • Your First Task When You Leave Class

Topic 2. Learn Capture Methods and Use Capture Filters

  • Analyze Switched Networks
  • Walk-Through a Sample SPAN Configuration
  • Analyze Full-Duplex Links with a Network TAP
  • Analyze Wireless Networks
  • USB Capture
  • Initial Analyzing Placement
  • Remote Capture Techniques
  • Available Capture Interfaces
  • Save Directly to Disk
  • Capture File Configurations
  • Limit Your Capture with Capture Filters
  • Examine Key Capture Filters

Topic 3. Customize for Efficiency: Configure Your Global Preferences

  • First Step: Create a Troubleshooting Profile
  • Customize the User Interface
  • Add Custom Columns for the Packet List Pane
  • Set Your Global Capture Preferences
  • Define Name Resolution Preferences
  • Configure Individual Protocol Preference

Topic 4. Navigate Quickly and Focus Faster with Coloring Techniques

  • Move Around Quickly: Navigation Techniques
  • Find a Packet Based on Various Characteristics
  • Build Permanent Coloring Rules
  • Identify a Coloring Source
  • Use the Intelligent Scrollbar with Custom Coloring Rules
  • Apply Temporary Coloring
  • Mark Packets of Interest

Topic 5. Spot Network and Application Issues with Time Values and Summaries

  • Examine the Delta Time (End-of-Packet to End-of-Packet)
  • Set a Time Reference
  • Compare Timestamp Values
  • Compare Timestamps of Filtered Traffic
  • Enable and Use TCP Conversation Timestamps
  • Compare TCP Conversation Timestamp Values
  • Determine the Initial Round Trip Time (iRTT)
  • Troubleshooting Example Using Time
  • Analyze Delay Types

Topic 6. Create and Interpret Basic Trace File Statistics

  • Examine Trace File Summary Information
  • View Active Protocols
  • Graph Throughput to Spot Performance Problems Quickly
  • Locate the Most Active Conversations and Endpoints
  • Other Conversation Options
  • Graph the Traffic Flows for a More Complete View
  • Burst Statistics
  • Numerous Other Statistics are Available
  • Quick Overview of VoIP Traffic Analysis
  • SIP and RTP Analysis Overview
  • SIP Call Setup
  • Analyzing Call Setup with SIP
  • Session Bandwidth and RTP Port Definition

Topic 7. Focus on Traffic Using Display Filters

  • Display Filters
  • Filter on Conversations/Endpoints
  • Build Filters Based on Packets
  • Display Filter Syntax
  • Use Comparison Operators and Advanced Filters
  • Filter on Text Strings
  • Build Filters Based on Expressions
  • Watch for Common Display Filter Mistakes
  • Share Your Display Filters

Topic 8. TCP/IP Communications and Resolutions Overview

  • TCP/IP Functionality
  • When Everything Goes Right
  • The Multi-Step Resolution Process
  • Resolution Helped Build the Packet
  • Where Faults Can Occur
  • Typical Causes of Slow Performance

Topic 9. Analyze DNS Traffic

  • DNS Overview
  • DNS Packet Structure
  • DNS Queries
  • Filter on DNS Traffic
  • Analyze Normal/Problem DNS Traffic

Topic 10. Analyze ARP Traffic

  • ARP Overview
  • ARP Packet Structure
  • Filter on ARP Traffic
  • Analyze Normal/Problem ARP Traffic

Topic 11. Analyze IPv4 Traffic

  • IPv4 Overview
  • IPv4 Packet Structure
  • Analyze Broadcast/Multicast Traffic
  • Filter on IPv4 Traffic
  • IP Protocol Preferences
  • Analyze Normal/Problem IP Traffic

Topic 12. Analyze ICMP Traffic

  • ICMP Overview
  • ICMP Packet Structure
  • Filter on ICMP Traffic
  • Analyze Normal/Problem ICMP Traffic

Topic 13. Analyze UDP Traffic

  • UDP Overview
  • Watch for Service Refusals
  • UDP Packet Structure
  • Filter on UDP Traffic
  • Follow UDP Streams to Reassemble Data
  • Analyze Normal/Problem UDP Traffic

Topic 14. Analyze TCP Protocol

  • TCP Overview
  • The TCP Connection Process
  • TCP Handshake Problem
  • Watch Service Refusals
  • TCP Packet Structure
  • The TCP Sequencing/Acknowledgment Process
  • Packet Loss Detection in Wireshark
  • Fast Recovery/Fast Retransmission Detection in Wireshark
  • Retransmission Detection in Wireshark
  • Out-of-Order Segment Detection in Wireshark
  • Selective Acknowledgement (SACK)
  • Window Scaling
  • Window Size Issue: Receive Buffer Problem
  • Window Size Issue: Unequal Window Size Beliefs
  • TCP Sliding Window Overview
  • Troubleshoot TCP Quickly with Expert Info
  • Filter on TCP Traffic and TCP Problems
  • Properly Set TCP Preferences
  • Follow TCP Streams to Reassemble Data 16. Examine Advanced Trace File Statistics
  • Build Advanced IO Graphs
  • Graph Round Trip Times
  • Graph TCP Throughput
  • Find Problems Using TCP Time-Sequence Graphs

Topic 15. Graph Traffic Characteristics

  • Advanced I/O Graphing
  • Graph Round Trip Times
  • Graph TCP Throughput
  • Find Problems Using TCP Time Sequence Graphs

Topic 16. Analyze HTTP Traffic

  • HTTP Overview
  • HTTP Packet Structure
  • Filter on HTTP Traffic
  • Reassembling HTTP Objects
  • HTTP Statistics
  • HTTP Response Time
  • Overview of HTTP/2
  • HTTP/2 Analysis Fundamentals
  • HTTP /2 Frame Format
  • Analyze Normal/Problem HTTP Traffic

Topic 17. Analyze TLS-Encrypted Traffic (HTTPS)

  • Analyze HTTPS Traffic
  • Encrypted Alerts
  • Decryption Steps
  • Filter on SSL

Topic 18. Review Your 10 Key Troubleshooting Steps

  • Baseline "Normal Traffic
  • Use Color
  • Look Who's Talking: Examine Conversations and Endpoints
  • Focus by Filtering
  • Create Basic IO Graphs
  • Examine Delta Time Values
  • Examine the Expert System
  • Follow the Streams
  • Graph Bandwidth Use, Round Trip Time, and TCP Time/Sequence Information
  • Watch Refusals and Redirections

Course Info

Promotion Code

Your will get 10% discount voucher for 2nd course onwards if you write us a Google review.

Minimum Entry Requirement

Knowledge and Skills

  • Able to operate using computer functions
  • Minimum 3 GCE ‘O’ Levels Passes including English or WPL Level 5 (Average of Reading, Listening, Speaking & Writing Scores)

Attitude

  • Positive Learning Attitude
  • Enthusiastic Learner

Experience

  • Minimum of 1 year of working experience.

Target Age Group: 18-65 years old

Minimum Software/Hardware Requirement

Software:

Please download and install Wireshark https://www.wireshark.org/#download.

Hardware: Window or Mac Laptops

Job Roles

Job Roles

Anyone interested in learning to troubleshoot and optimize TCP/IP networks and analyze network traffic with Wireshark, especially network engineers, information technology specialists, security analysts, and those preparing for the Wireshark Certified Network Analyst exam.

Recommended Prerequisite Knowledge/ Capabilities Students

Good to have a strong working knowledge of interconnecting device functionality (switch, router, NAT, for example) and be comfortable with the elements of the TCP/IP protocol suite (ARP, TCP, UDP, IP, DHCP, ICMP, for example).

Trainers

Trainers

Muhammed Siraj: Muhammed Siraj is an IT executive, lecturer, trainer, security expert, developer, hardware technician, and entrepreneur with over 15 years of experience in the IT profession. He is an experienced IT instructor who has delivered several lecturers in the area of Cybersecurity, Computer Forensics, and Fraud detection to the military, police, CID, Financial Institutions, among others. In addition to training, he provides consultancy services to Educational and Governmental Institutions in the area of computer security and adoption of Open Source solutions. His experience and knowledge acquired from Ghana, Mali, Denmark, South Africa, and Malaysia, enables him to interact with people of different cultural backgrounds very well. Truman Ng: Truman Ng is a ACTA certified trainer that graduated with Bachelor Degree in Electrical Engineering from NUS in year 2002. He designed Artificial Intelligence (AI) controller for DC-DC Power Convertor by using Fuzzy Logic and Neural Network (NN) as his university Final Year Project. Truman has over 15 years project experiences across Database & Web Design, PLC machinery, Data Center Design , Structure Cabling System(SCS) and Enterprise Network Design and Implementation. He used to be a network architect for Hewlett Packard, working with a group of virtual team from the US in handling network design and projects in the States. Truman is the founder of Nexplore (S) Pte Ltd. He provides solutions of Cloud SaaS, IaaS & PaaS and Software Defined Network (SDN), VoIP and Internet Security. He was engaged by Huawei Global Training Center to provide 60+ consultations and trainings for Internet Service Providers(ISP) from Malaysia, Singapore, Brunei, Philippines, Australia, Poland, Iran, South Africa, Swaziland, Cote Dlvoire, Syria, Uzbekistan, New Zealand and countries over the world.
As achievement, Truman has successfully completed 100+ IT network projects for Bank, Hotel and Factory within 5 years.
Truman is certified in PMP, Cisco CCNP, CCIP, CCDP, HP Ase and Huawei HCNP, HCIE R&S, HCNA Cloud, HCNA Security, etc.  

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