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Technical WiFi guides

Deep, expert-led technical guides on guest WiFi, analytics, captive portals, and venue technology.

Ready to move from research to rollout? See how Purple's captive portal software handles branded guest sign-in, analytics, and compliance in one platform.

DNS Over HTTPS (DoH): Implications for Public WiFi Filtering
Cybersecurity

DNS Over HTTPS (DoH): Implications for Public WiFi Filtering

This technical reference guide explains how DNS over HTTPS (DoH) bypasses traditional port 53 content filtering on public WiFi networks. It provides actionable, vendor-neutral mitigation strategies for network architects and IT managers to regain visibility, enforce compliance, and secure guest access in enterprise environments.

6 mins read1k words
Public WiFi Liability: Why Content Filtering is Mandatory
Cybersecurity

Public WiFi Liability: Why Content Filtering is Mandatory

This technical reference guide outlines the legal and operational risks of providing unfiltered public WiFi, detailing why content filtering is a mandatory deployment requirement for venue operators. It provides actionable architecture strategies, implementation steps, and risk mitigation tactics to protect networks from illegal activity, copyright infringement, and regulatory non-compliance. Venue operators and CTOs will find concrete case studies, decision frameworks, and configuration guidance to implement a defensible, compliant Guest WiFi environment.

7 mins read2k words
Blocking Malware and Phishing at the Network Edge
Cybersecurity

Blocking Malware and Phishing at the Network Edge

This technical reference guide outlines the architecture, deployment, and business impact of implementing network-level threat protection to secure unmanaged guest and IoT devices at the network edge. It provides actionable guidance for IT leaders to block malware and phishing proactively.

3 mins read1k words
IWF Compliance for Public WiFi Networks in the US
Cybersecurity

IWF Compliance for Public WiFi Networks in the US

This authoritative guide details the technical requirements, architecture, and deployment strategies for implementing IWF-compliant public WiFi networks across US venues. It provides IT leaders with actionable frameworks to mitigate legal risks while maintaining high-performance network access.

5 mins read1k words
What is DNS Filtering? How to Block Harmful Content on Guest WiFi
Cybersecurity

What is DNS Filtering? How to Block Harmful Content on Guest WiFi

This comprehensive technical guide explains how DNS filtering operates at the network layer to secure enterprise guest WiFi, covering deployment architectures, evasion prevention, and captive portal integration. It provides actionable implementation guidance for IT leaders in retail, hospitality, and public-sector venues who need to enforce content policies, protect brand reputation, and demonstrate compliance with PCI-DSS and CCPA/CPRA. Real-world case studies from hotel and retail environments illustrate the practical trade-offs and configuration decisions that determine deployment success.

8 mins read2k words

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