IT Perfection · Free IT Management Tools

Network Engineering Tools

Network design, segmentation, monitoring, wireless, VPN, DNS, DHCP, redundancy, and high availability planning tools.

Created by Ali Hassani, CISO - 25+ years of IT, cybersecurity, compliance, Microsoft infrastructure, network security, and IT operations experience.

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Category overview

Review configuration, evidence, and technical risk

What this category helps review

Free network engineering tools for VLAN design, VPN security, wireless security, segmentation, SD-WAN readiness, DNS, DHCP, monitoring, redundancy, and high availability.

Each linked tool helps teams document system state, control ownership, exception handling, monitoring gaps, and remediation evidence before a support review, audit discussion, or infrastructure change.

Important disclaimer

This tool library is for initial guidance only and does not replace a professional cybersecurity audit, compliance assessment, penetration test, architecture review, or legal/compliance review.

Tool library

Network Engineering Tools library

Assessment tool

VLAN Design Assessment

VLAN Design Assessment from IT Perfection helps business owners, IT managers, and technical teams review segmentation, trunks, voice, guest networks and related operational risk.

SegmentationTrunksVoiceGuest networks
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Assessment tool

VPN Security Assessment

VPN Security Assessment from IT Perfection helps business owners, IT managers, and technical teams review mfa, user groups, split tunneling, logging and related operational risk.

MFAUser groupsSplit tunnelingLogging
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Assessment tool

Wireless Security Assessment

Wireless Security Assessment from IT Perfection helps business owners, IT managers, and technical teams review encryption, guest access, rogue aps, coverage and related operational risk.

EncryptionGuest accessRogue APsCoverage
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Assessment tool

Network Segmentation Assessment

Network Segmentation Assessment from IT Perfection helps business owners, IT managers, and technical teams review critical systems, user networks, firewall policy, zero trust and related operational risk.

Critical systemsUser networksFirewall policyZero trust
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Assessment tool

SD-WAN Readiness Assessment

SD-WAN Readiness Assessment from IT Perfection helps business owners, IT managers, and technical teams review sites, circuits, application paths, security and related operational risk.

SitesCircuitsApplication pathsSecurity
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DNS Security Assessment

DNS Security Assessment from IT Perfection helps business owners, IT managers, and technical teams review internal dns, filtering, logging, recovery and related operational risk.

Internal DNSFilteringLoggingRecovery
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Assessment tool

DHCP Configuration Assessment

DHCP Configuration Assessment from IT Perfection helps business owners, IT managers, and technical teams review scopes, reservations, failover, rogue dhcp and related operational risk.

ScopesReservationsFailoverRogue DHCP
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Assessment tool

Network Monitoring Assessment

Network Monitoring Assessment from IT Perfection helps business owners, IT managers, and technical teams review alerting, availability, traffic, capacity and related operational risk.

AlertingAvailabilityTrafficCapacity
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Internet Redundancy Assessment

Internet Redundancy Assessment from IT Perfection helps business owners, IT managers, and technical teams review carriers, failover, routing, testing and related operational risk.

CarriersFailoverRoutingTesting
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Assessment tool

High Availability Assessment

High Availability Assessment from IT Perfection helps business owners, IT managers, and technical teams review core switches, firewalls, power, applications and related operational risk.

Core switchesFirewallsPowerApplications
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Created by Ali Hassani, CISO

Ali Hassani is a cybersecurity consultant, virtual CISO, network security engineer, and IT infrastructure specialist with more than 25 years of experience helping organizations design, secure, audit, and support business IT environments.

Certifications: CISSP, CCISO, CCNP, CCNA, MCSE, MCSA Security, MCITP, MCP, and MCTS.

Learn About AliContact IT Perfection

Planning support

IT Perfection can help validate evidence, confirm technical exposure, and sequence remediation for managed IT, Microsoft 365, Azure, endpoint security, backup, servers, network infrastructure, and co-managed IT.

For audit, compliance, HIPAA, vCISO, or formal cybersecurity risk review, visit OC Security Audit.

Authoritative references: CISA resources, NIST Cybersecurity Framework, Microsoft Security documentation, and CIS Controls.