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-245: Linux System Administration I

Course Overview:

The System Administration I for Red Hat course is designed for IT professionals working to become full-time enterprise Linux system administrators. This course gives the student direct experience with the most essential system administration tasks in the Red Hat. You will be instructed in crucial system management skills including: configuring network interfaces, client set up of network protocols, managing local disk devices, installation, package management, performing system boot procedures, grub and controlling system processes.

Attendees to RH-245: Linux System Administration I will receive TechNow approved course materials and expert instruction.

Dates/Locations:

No Events

Duration: 5 days

Course Objectives:

  • Installation
  • Manage File Systems and Local Disk Drives
  • Perform Mounts and Unmounts
  • Perform System Boot Procedures
  • Tuning and Maintaining the Kernel
  • Control System Processes
  • Perform User Administration
  • Installing and Managing Services
  • Perform Package Administration
  • Client Setup of SSH and Printing

Prerequisites:

Comments

Latest comments from students

User: mlspence

Instructor comments: Bill was awesome! He did a fantastic job teaching the course mater to everyone in the class. He made sure everyone was able to keep up and that they understood the material before moving on. Thanks!

Facilities comments: They were great as well

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L-245: Linux System Administration I

Course Overview:

In this course students will learn to install the Linux™ operating system, to administer users and software, to use vi, basic Linux security, process control, file system maintenance, backup and recovery, including some basic networking concepts. This course insures that students have the skills to configure all desktop and client side related activity.

Attendees to L-245: Linux System Administration I will receive TechNow approved course materials and expert instruction.

Dates/Locations:

No Events

Duration: 5 days

Course Objectives:

  • Linux operating system installation
  • Hardware Issues
  • LILO & GRUB Configuration
  • Managing the Linux file system
  • Boot Process
  • Customization of setup files
  • System Startup
  • Run Levels
  • Network Services
  • User Management
  • Changing Passwords
  • Monitoring, accessing & restricting root system access
  • Administration Tools
  • Disk Management
  • Quotas
  • Process Control
  • Installing & removing software & patches
  • Network Configuration
  • Client side components of NFS, Samba, NTP, NIS
  • Printing
  • Backup and Recovery
  • Using utilities for process control, locating files & automating maintenance tasks

Prerequisites:

  • Students should have an understanding of all basic UNIX commands as well as variable substitution, wild card expansion, command pipes, permissions, the grep  and find commands.
  • These prerequisites can be met through completion of TN-125: Introduction to UNIX & Linux and six month’s experience with Linux.

 

Comments

Latest comments from students

User: flores2015

Instructor comments: Very Good Instructor (Bill Peterson)

Facilities comments: Nice - Can't wait for your new facility.

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P-245: Programming with PERL

 

Course Overview:

This course teaches students how to use the powerful PERL programming language, focusing on hands-on labs to promote retention & challenge students to apply their skills to new situations. PERL is a flexible, easy to use language suitable for many tasks such as system administration, web applications & database integration. System administrators, web programmers & database administrators will benefit from mastering this powerful programming language. This course reviews & builds on the information presented in PL-115: Fundamentals of Computer Programming.

Attendees to P-245: Programming with PERL will receive TechNow approved course materials and expert instruction.

Dates/Locations:

No Events

Course Duration: 5 days

Course Objectives:

  • Introduction
  • Scalar Data
  • Lists & Arrays
  • Subroutines
  • Input & Output
  • Hashes
  • In the World of Regular Expressions
  • Matching with Regular Expressions
  • Processing Text with Regular Expressions
  • More Control Structures
  • File Tests
  • Directory Operations
  • Strings & Sorting
  • Process Management
  • PERL Modules
  • Some Advanced PERL Techniques

Prerequisites:

Comments

Latest comments from students

 

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CT-245: Linux+

Course Overview:

This course will provide students with proficiency in the everyday management of Linux based clients and basic management of server system. Students will learn the knowledge and tools necessary to manage Linux systems from the command line, as well as how to manage user administration, file permissions, software configurations, and Linux based clients, server systems and security.  Let us help you prepare for the CompTIA Linux+ exam (XK0-005).

TechNow is a CompTIA partner and uses official CompTIA Linux+ curriculum.

Attendees to CT-245: Linux+ will receive TechNow approved course materials and expert instruction.

Dates/Locations:

Date/Time Event
02/03/2025 - 02/07/2025
08:00 -16:00 		CT-245: Linux+
TechNow, Inc, San Antonio TX
05/12/2025 - 05/16/2025
08:00 -16:00 		CT-245: Linux+
TechNow, Inc, San Antonio TX
08/25/2025 - 08/29/2025
08:00 -16:00 		CT-245: Linux+
TechNow, Inc, San Antonio TX
12/01/2025 - 12/05/2025
08:00 -16:00 		CT-245: Linux+
TechNow, Inc, San Antonio TX

Duration: 5 Days

Course Objectives:

  • Perform basic Linux tasks
  • Manage users and groups
  • Manage permissions and ownership
  • Manage storage
  • Manage files and directories
  • Manage kernel modules
  • Manage the Linux boot process
  • Manage system components
  • Manage devices
  • Manage networking
  • Manage packages and software
  • Secure Linux systems
  • Write and execute Bash shell scripts
  • Automate tasks
  • Plan and perform a Linux installation

Prerequisites:

 

Comments

Latest comments from students

User: cwbrind

Instructor comments: Great experience with Mr. Peterson, would recommend again. Highly knowledgable and approachable for any subject.

Facilities comments: The Holiday Inn was a nice location for learning despite traffic around the area.

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