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Intermediate2 days / 10 to 14 guided hourspublished

Network Security: Intermediate

Configure firewall policy, logging, alerting, and incident triage across multiple nodes.

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Audience

  • Self-paced technical learners
  • Instructor-led cohorts
  • Enterprise teams preparing staff for hands-on operations

Prerequisites

  • Beginner course or equivalent experience
  • Comfort with command-line or admin consoles

Outcomes

  • Provision an isolated network security lab from template metadata.
  • Use snapshots, rollback, validation checks, and teardown safely.
  • Explain how pfSense, Wazuh, Linux fit into an enterprise training environment.
  • Produce evidence that an instructor or admin can review.
Course plan

Modules and labs

Each module maps to provisioned lab work, validation evidence, reset/rollback policy, and instructor visibility.

Module 1

Scenario design

Network Security Intermediate lab 1
Module 2

Multi-system implementation

Network Security Intermediate lab 2
Module 3

Troubleshooting and reporting

Network Security Intermediate capstone
Required templates

pfSense or equivalent firewall/router

defined

pfSense CE media or equivalent open firewall image

TODO: Confirm licensing and operational preference for pfSense CE versus open Linux router image.

Kali/security workstation

defined

Kali Linux official VM image or Ubuntu security workstation build

TODO: Publish only for safe internal blue-team exercises; keep intentionally vulnerable targets isolated.

SIEM/logging node

defined

Ubuntu 24.04 LTS plus Wazuh stack

Ubuntu Server 24.04

available

Ubuntu 24.04 LTS cloud image

Validation checks

Firewall rules active

Allowed path works and denied east-west path is blocked.

SIEM receiving logs

A generated test event appears in the tenant security index.

Routing path works

Traffic follows the intended lab path and reaches the expected service.