FortiGate
FortiGate Next Generation Firewall utilizes purpose-built security processors and threat intelligence security services from FortiGuard labs to deliver top-rated protection and high performance, including encrypted traffic.
VinayHM
Staff
Staff
Article Id 402510
Description This article describes that the captive portal functions correctly for Windows users; however, it encounters issues with MAC users, resulting in certificate errors.
Scope FortiGate.
Solution

The captive portal functions correctly for Windows users; however, it does not work as expected for MAC users and results in a certificate error.

 

For example, while browsing, it gives a certificate error instead captive portal:

 

image (65).png

 

Solution:

In security mode, the FQDN captive.apple.com needs to be permitted.

 

Screenshot 2025-07-21 150505.png