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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.

Ubiquiti UniFi guest portal not redirecting: causes and fixes
Captive Portals

Ubiquiti UniFi guest portal not redirecting: causes and fixes

This guide isolates a UniFi guest portal redirect failure by following the guest state, redirect, pre-authorisation route and controller authorisation in sequence. It gives venue IT teams a sourced method to address guest-network versus Hotspot confusion, external portal hand-offs, current UniFi OS account requirements and DNS isolation testing.

12 mins read3k words
Cisco Meraki splash page not working: a troubleshooting flowchart
Captive Portals

Cisco Meraki splash page not working: a troubleshooting flowchart

This practical day-two guide isolates where a Cisco Meraki splash flow has failed: client authorisation, HTTP redirect initiation, walled-garden reachability or RADIUS sign-on. It gives venue IT teams a controlled evidence path, so they can restore Guest WiFi without making broad changes to a live estate.

12 mins read3k words
Enterprise Guest WiFi Setup Guide: VLAN Segmentation, Security, and Captive Portals
Captive Portals

Enterprise Guest WiFi Setup Guide: VLAN Segmentation, Security, and Captive Portals

This technical guide shows IT teams how to set up Guest WiFi as a controlled internet-access service, using VLAN segmentation, firewall policy and a captive portal. It also explains how Purple's registration forms and onboarding controls support a proportionate visitor experience without weakening the boundary around staff, payment and operational systems.

12 mins read3k words
How to Set Up a Captive Portal on Starlink for Guest WiFi
Captive Portals

How to Set Up a Captive Portal on Starlink for Guest WiFi

This technical guide explains how to bypass Starlink's native CGNAT limitations to deploy a secure, GDPR-compliant captive portal for guest WiFi. It covers the required architecture, VLAN segmentation, and bandwidth management strategies essential for remote venues, maritime operators, and event spaces.

4 mins read1k words
Captive portal for Ruijie: set it up with Purple guest WiFi
Captive Portals

Captive portal for Ruijie: set it up with Purple guest WiFi

How Purple's cloud guest WiFi sits on top of Ruijie RG Series access points using web authentication and RADIUS, configured from the command line, and where to find the exact setup steps.

2 mins read0k words
Captive Portal Architecture: Security, Redirection, and Best Practices
Captive Portals

Captive Portal Architecture: Security, Redirection, and Best Practices

A definitive technical reference on enterprise captive portal architecture. This guide unpacks network isolation, DNS redirection, RADIUS authentication, and security compliance for IT leaders deploying secure, data-rich guest WiFi networks.

5 mins read1k words
Optimising B2B Captive Portals: Capturing Company Names and Professional Data
Captive Portals

Optimising B2B Captive Portals: Capturing Company Names and Professional Data

This guide explains how IT managers, network architects, and venue operations directors can configure B2B captive portals to capture professional data - company names, job titles, and business email addresses - at the point of WiFi login. It covers the full technical architecture from VLAN isolation and RADIUS authentication through to CRM integration with Salesforce and HubSpot, with GDPR and CCPA compliance built in. Venues that deploy this correctly turn their guest WiFi network into a first-party data engine and automated lead generation system.

8 mins read2k words
How to Set Up a Captive Portal on Starlink: A Guide for Remote & Maritime Venues
Captive Portals

How to Set Up a Captive Portal on Starlink: A Guide for Remote & Maritime Venues

This guide details how to bypass the native Starlink hardware and integrate a cloud-managed captive portal using enterprise routing equipment. You will learn how to overcome the CGNAT limitation, enforce VLAN segmentation, manage satellite bandwidth constraints, and ensure regulatory compliance.

5 mins read1k words
Captive Portal Best Practices: Designing for High Conversion and Compliance
Captive Portals

Captive Portal Best Practices: Designing for High Conversion and Compliance

This technical guide gives IT managers, network architects, and venue operations directors a complete blueprint for deploying captive portals that balance network security with high user conversion. It covers the full architecture from VLAN segmentation and RADIUS authentication to GDPR-compliant consent design and authentication method selection. Drawn from Purple's operational experience across 80,000+ venues and 440 million logins in 2024, every recommendation is grounded in real deployment data.

8 mins read2k words
Hotel Guest WiFi Architecture: PMS Integration, Captive Portals, and Bandwidth Control
Captive Portals

Hotel Guest WiFi Architecture: PMS Integration, Captive Portals, and Bandwidth Control

This guide provides a comprehensive framework for architecting enterprise-grade hotel WiFi networks. It details the technical requirements for VLAN segmentation, PMS integration via FIAS, captive portal design, and per-client bandwidth control to ensure security, compliance, and optimal performance.

6 mins read1k words
Why is my guest WiFi not connecting? Troubleshooting captive portal issues
Captive Portals

Why is my guest WiFi not connecting? Troubleshooting captive portal issues

This authoritative technical reference guide explains the underlying mechanics of captive portal detection and details the six primary failure modes that prevent guest WiFi from connecting. It provides IT managers and network architects with a practical troubleshooting framework to resolve HTTP redirect issues, DNS conflicts, and MAC randomisation challenges.

6 mins read1k words
Configuring Captive Portal Redirection on Enterprise Network Controllers
Captive Portals

Configuring Captive Portal Redirection on Enterprise Network Controllers

This authoritative guide details the technical architecture and vendor-specific configuration steps required to implement captive portal redirection on enterprise network controllers. It provides actionable guidance for IT teams on configuring walled gardens, integrating RADIUS authentication, and ensuring compliance with GDPR and PCI DSS.

6 mins read1k words
Step-by-Step Guide: Configuring Ruijie Wireless Controllers for Guest WiFi Captive Portals
Captive Portals

Step-by-Step Guide: Configuring Ruijie Wireless Controllers for Guest WiFi Captive Portals

This guide provides a complete technical walkthrough for configuring Ruijie wireless controllers and gateways to deploy enterprise-grade guest WiFi captive portals. It covers VLAN segmentation, external RADIUS authentication via WISPr protocol, walled garden configuration, and seamless integration with Purple's Identity-Based Networks platform to capture first-party data and drive measurable business value across hospitality, retail, and public-sector environments.

8 mins read2k words
Staff WiFi Captive Portal: Onboarding and Authenticating Employees
Captive Portals

Staff WiFi Captive Portal: Onboarding and Authenticating Employees

A comprehensive technical reference for IT leaders on designing and deploying staff WiFi captive portals. This guide covers EAP-TLS authentication, BYOD onboarding, VLAN segmentation, and bandwidth management to enhance operational efficiency and mitigate security risks.

6 mins read1k words
Integrating WeChat WiFi Login: Capturing Engagement via Social Captive Portals
Captive Portals

Integrating WeChat WiFi Login: Capturing Engagement via Social Captive Portals

This guide details how to integrate WeChat WiFi authentication into enterprise captive portals, covering the OAuth 2.0 architecture, RADIUS integration, and step-by-step deployment across Cisco Meraki, HPE Aruba, and Juniper Mist hardware. It gives IT managers and network architects a practical framework for capturing first-party data from WeChat's 1.3 billion users while driving engagement via Official Account follows and post-login redirects.

8 mins read2k words
Why your captive portal is not loading on iPhone: Fix Apple CNA errors
Captive Portals

Why your captive portal is not loading on iPhone: Fix Apple CNA errors

Troubleshoot and fix captive portal popup failures on iPhone and iOS. Learn how Apple CNA, iCloud Private Relay, and MAC randomisation break WiFi logins, and how to fix them.

10 mins read2k words
Custom Captive Portal: HTML and CSS Guide
Captive Portals

Custom Captive Portal: HTML and CSS Guide

This authoritative technical reference guide outlines the development standards, CSS architecture, and network-level constraints required to design and code a custom captive portal landing page. It provides frontend developers and network architects with actionable strategies to navigate Apple CNA and Android webview environments, ensuring pixel-perfect, compliant, and highly performant guest WiFi experiences.

11 mins read3k words
Captive Portal vs Splash Page
Captive Portals

Captive Portal vs Splash Page

This authoritative guide breaks down the critical distinction between captive portals and splash pages in guest WiFi networks. It clarifies how the underlying network interception mechanism works in tandem with the visual guest interface, helping IT leaders and venue operators make informed architectural and procurement decisions.

8 mins read2k words
Captive portal login troubleshooting and fixes
Captive Portals

Captive portal login troubleshooting and fixes

Troubleshoot captive portal login failures step by step. Fix CNA popup suppression, HSTS certificate errors, NeverSSL probes, and RADIUS timeout issues.

3 mins read1k words
How to Set Up a WiFi Hotspot for Your Business
Captive Portals

How to Set Up a WiFi Hotspot for Your Business

This authoritative guide provides IT leaders, network architects, and venue operations directors with a practical, vendor-neutral blueprint for deploying secure, compliant, and business-enhancing guest WiFi hotspots. It covers critical architecture decisions - from VLAN segmentation and captive portal configuration to GDPR compliance and traffic shaping - and demonstrates how to transform network infrastructure from a cost centre into a revenue-driving analytics platform using Purple's Guest WiFi and analytics capabilities.

9 mins read2k words
Purple vs GlobalReach Technology: Carrier-Grade WiFi Compared
Captive Portals

Purple vs GlobalReach Technology: Carrier-Grade WiFi Compared

This guide provides an authoritative technical comparison of Purple and GlobalReach Technology across captive portal capabilities, WBA OpenRoaming readiness, carrier offload architecture, and commercial models. It is written for IT managers, network architects, and CTOs at hotels, retail chains, stadiums, and municipalities who need to make a platform decision this quarter. The core finding is that while GlobalReach leads in deep MNO carrier offload and standards authorship, Purple disrupts the market with a hardware-agnostic overlay and a genuinely free OpenRoaming Identity Provider tier, making carrier-grade WiFi accessible to any venue without upfront software licensing costs.

9 mins read2k words
The 10 Best WiFi Splash Page Examples (And What Makes Them Work)
Captive Portals

The 10 Best WiFi Splash Page Examples (And What Makes Them Work)

A technical reference guide for IT managers, network architects, and venue operations directors covering the design, architecture, and deployment of high-converting WiFi splash pages. The guide analyses 10 real-world implementation strategies across hospitality, retail, events, and public-sector environments, with specific guidance on authentication methods, GDPR compliance, walled garden configuration, and MAC randomisation mitigation.

8 mins read2k words
WiFi Guest Portal: What It Is and How to Optimise It
Captive Portals

WiFi Guest Portal: What It Is and How to Optimise It

This authoritative guide details the architecture, implementation, and optimisation of WiFi guest portals. It provides actionable strategies for IT leaders to increase login completion rates, ensure GDPR compliance, and capture high-quality first-party data.

5 mins read1k words
How to Create a Custom WiFi Login Page for Your Brand
Captive Portals

How to Create a Custom WiFi Login Page for Your Brand

This guide provides a comprehensive, implementation-ready reference for IT managers, network architects, and venue operations directors on how to create a fully branded guest WiFi login page - covering captive portal architecture, HTML/CSS customisation, GDPR compliance, and data capture strategy. It moves from technical foundations through to real-world deployment scenarios in hospitality and retail, with measurable business outcomes at each stage. For organisations running Purple's guest WiFi platform, the guide maps directly to the platform's portal builder, analytics, and consent management capabilities.

5 mins read1k words