TN-865: Wireshark Network Traffic and Security Analysis

Course Overview:

This course delivers the technical knowledge, insight, and hands-on training to receive in-depth knowledge on Wireshark® and TCP/IP communications analysis. You will learn to use Wireshark to identify the most common causes of performance problems in TCP/IP communications. You will learn about the underlying theory of TCP/IP and the most used application protocols, so that you can intelligently examine network traffic for performance issues or possible Indicators of Compromise (IoC).

Duration: 5 Days

Audience:

Anyone interested in learning to troubleshoot and optimize TCP/IP networks and analyze network traffic with Wireshark, especially network engineers, information technology specialists, and security analysts.

Course Prerequisites:

We recommend that attendees of this course have the following prerequisite:
• Network+

Dates/Locations:

No Events

Course Outline:

DAY ONE

Course Set Up and Analyzer Testing

Network Analysis Overview
Wireshark Functionality Overview
Capturing Wired and Wireless Traffic
Define Global and Personal Preferences for Faster Analysis
Defined Time Values and Interpret Summaries
Interpret Basic Trace File Statistics to Identify Trends
Create and Apply Display Filters for Efficient Analysis

DAY TWO

Follow Streams and Reassemble Data
Use Wireshark’s Expert System to Identify Anomalies
TCP/IP Analysis Overview
Analyze Common TCP/IP Traffic Patterns

DAY THREE

Graph I/O Rates and TCP Trends
802.11 (WLAN) Analysis Fundamentals
Voice over IP (VoIP) Analysis Fundamentals
Network Forensics Fundamentals

DAY FOUR

Detect Scanning and Discovery Processes
Analyze Suspect Traffic

DAY FIVE

Use Command‐Line Tools

Next/Related Courses:

 

 

RH-295: Linux System Administration II

Course Overview:

Linux System Administration II course is for experienced administrators ready for advanced administration topics. This course provides students with hands-on experience working with more complex and integrated administration concepts, and builds upon the Part 1 course. Students will be instructed in essential  local Red Hat system administration skills including: Logical Volumes, Raid Management, and System Logging, SELinux and Virtual Machines.  The Linux System Administration II course will get you started in understanding network administration topics, including monitoring, routing, Firewall with iptables, and servers such as NFS, SAMBA, DNS, SMTP, HTTP, DHCP, and Kickstart.

Attendees to RH-295: Linux System Administration II will receive TechNow approved course materials and expert instruction.

Dates/Locations:

Date/Time Event
03/09/2026 - 03/13/2026
08:00 -16:00 		RH-295: Linux System Administration II
TechNow, Inc, San Antonio TX
06/08/2026 - 06/12/2026
08:00 -16:00 		RH-295: Linux System Administration II
TechNow, Inc, San Antonio TX
09/21/2026 - 09/25/2026
08:00 -16:00 		RH-295: Linux System Administration II
TechNow, Inc, San Antonio TX

Duration: 5 days

Course Objectives:

  • Managing Logical Volumes and RAID
  • Network Routing, Filtering and Monitoring
  • Configuring File Sharing Across Platforms
  • Configuring Internet Services
  • Configuring Security
  • Configuring System Messaging
  • Using Name Services
  • Configuring Name Service Clients
  • Configuring Kickstart
  • Virtualization with KVM
  • Troubleshooting Boot Process

Prerequisites:

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TN-385: TCP/IP Analysis & Implementation

Course Overview:

This course, TN-385: TCP/IP Analysis & Implementation, provides students with a comprehensive technical introduction to TCP/IP & the interworkings of TCP/IP application to UNIX, Linux and Windows in a network environment.  This course begins by providing a comprehensive protocol stack analysis.  It continues with extensive hands-on exercises needed to configure TCP/IP on UNIX and Windows based networks.

Attendees to TN-385: TCP/IP Analysis & Implementation will receive TechNow approved course materials and expert instruction.

Dates/Locations:

No Events

Duration: 5 Days

Course Objectives:

  • A thorough comprehension of each level of the protocol stack
  • Configuring UNIX & Windows to access internetworks
  • Configuring & setting up a Cisco router
  • Properly implementing subnets to avoid ongoing maintenance headaches
  • Routing & routing protocols, RIP, OSPF, and IGRP
  • How to troubleshoot a wide range of routing problems
  • All major TCP/IP application services including: FTP, TELNET, SNMP, NFS, DNS, DHCP, & WINS
  • How to avoid common internetworking problems
  • How to troubleshoot TCP/IP networks using protocol analysis techniques – snoop on Sun Workstation & Network Monitor on Windows.
  • How to design, build, configure, & manage TCP/IP internetworks
  • Applying a structured methodology for troubleshooting TCP/IP internetworks
  • ACL's on Cisco routers

Prerequisites:

  • Students should have good end-user skills in TCP/IP (FTP, TELNET, RLOGON,  & MAIL).

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TN-913: Cloud Security Fundamentals

 

Course Overview:

TechNow Cloud Security Fundamentals addresses the loss of hands-on control of system, application, and data security in the Cloud computing environment.  Security teams wrestle with the impact and liability of Cloud computing on an organization.  This course enables the security team to assist in contract language and Service Level Agreements (SLAs) when utilizing Cloud Service Providers (CSPs).

Compliance and auditing are introduced with strategies for control verification and audit analysis in the CSP environment.  Software as a Service (SaaS) to Infrastructure as a Service (IaaS) and everything in between require a compliance strategy.  Students will go in-depth into the architecture and infrastructure fundamentals for private, public, and hybrid clouds.   Topics covered include: patch and configuration management, virtualization security, application security, and change management. Policy, risk assessment, and governance within cloud environments will be covered with recommendations for both internal policies and contract provisions to consider.

TechNow has worked worldwide enterprise infrastructures for over 20 years and has developed demos and labs to exemplify the techniques required to effectively manage security in the cloud environment.

Attendees to TN-913: Cloud Security Fundamentals will receive TechNow approved course materials and expert instruction.

Date/Locations:

Date/Time Event
02/09/2026 - 02/12/2026
08:00 -16:00 		TN-913: Cloud Security Fundamentals
TechNow, Inc, San Antonio TX
05/26/2026 - 05/29/2026
08:00 -16:00 		TN-913: Cloud Security Fundamentals
TechNow, Inc, San Antonio TX
09/08/2026 - 09/11/2026
08:00 -16:00 		TN-913: Cloud Security Fundamentals
TechNow, Inc, San Antonio TX
12/07/2026 - 12/10/2026
08:00 -16:00 		TN-913: Cloud Security Fundamentals
TechNow, Inc, San Antonio TX

Course Duration: 3 days

Course Objectives:

  • Cloud computing introduction
  • Security challenges in the cloud
  • Infrastructure security in the cloud
  • Policy, risk, and governance for cloud computing
  • Compliance and legal considerations
  • Audit and assessment for the cloud
  • Data security in the cloud
  • Identity and Access Management (IAM)
  • Disaster Recovery and Business Continuity Planning (DR/BCP) in the cloud
  • Intrusion detection and incident response

Course Prerequisites:

  • GSEC, CISSP, CASP or equivalent experience in managing enterprise infrastructures
  • Managing or administering at least one of UNIX, Windows, Databases, networking, or security

Comments

Latest comments from students

User: reedrobt

Instructor comments: Dave is like an encyclopedia of technical topics...what "doesn't" he have expertise in?

Facilities comments: Home2 location was well-kept and convenient to other services.

 

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