Tag Archives: Captive Portal

Misusing Palo’s Captive Portal as a Guest Wi-Fi Welcome Page

I was faced with an interesting customer requirement: An existing guest Wi-Fi should be prefaced with a welcome page for accepting the terms and conditions. Since there was already a Palo Alto Networks firewall in place, could we perhaps use its captive portal directly for this purpose? It’s not about authenticating the users, but only for a single webpage with a simple check button that should appear once a month per device.

TL;DR: While we were able to redirect every device to a welcome page, we were not able to extend the lifetime of those sessions to longer than 24 hours. This might fit for short-term guest Wi-Fis, but is not appropriate for long-term connections aka BYOD. However, this is how we have done it:

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