Protective DNS guides
Practical, step-by-step guides to DNS content filtering, threat defence and ad blocking for WiFi, written by the team that runs it at 80,000+ venues.
DNS and content filtering guides on purple.ai
What is DNS filtering? How to block harmful content on guest WiFi
- Guide on purple.ai
DNS filtering for guest WiFi: blocking malware and inappropriate content
- Guide on purple.ai
Legal liabilities and content filtering on public guest networks
- Guide on purple.ai
Public WiFi liability: why content filtering is mandatory
- Guide on purple.ai
How DNS filtering reduces network bandwidth consumption
- Guide on purple.ai
Best DNS filtering: a comprehensive guide for businesses
- Guide on purple.ai
DNS over HTTPS (DoH): implications for public WiFi filtering
The first Shield guides are on their way. New Shield guides are publishing here shortly. Until then, these guides on purple.ai cover DNS filtering and content filtering for WiFi.
Decide what your WiFi reaches, free for 30 days
Tell us which networks you run and who is on them. We map a policy to each one: guests, staff, students, residents and paid tiers. Then point one network at Shield and see what it stops for 30 days, before you pay anything. Running change control? We plan a pilot on one SSID with your team instead. No hardware, no agents on devices.
- We map your networksA Purple expert maps your networks, your venues and the people on each, and answers your questions on bypass, outages, data handling and integrations.
- You get a policy for each oneGuests, staff, students, residents and paid tiers, each with the policy it needs.
- You prove it, then get your tailored quote30 days free on one network, or a pilot on one SSID planned with your team, then Shield priced standalone or as an add-on to your Access plan.
Your policy map
Tell us your networks. We map a policy to each one.
A Purple expert comes back with a policy for every SSID you run, from the team that has run content filtering on WiFi since 2012 and runs WiFi for 80,000+ venues in 90 countries.