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After roaming between two APs in the Extreme Cloud Wireless network, the end client devices are presented with an untrusted certificate pop-up page.

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TitleAfter roaming between two APs in the Extreme Cloud Wireless network, the end client devices are presented with an untrusted certificate pop-up page.
Symptoms
After roaming between two APs in the Extreme Online Cloud Wireless network, the end client devices are presented with an untrusted certificate pop-up page.
Environment
  • ExtremeOnline Cloud
  • firmware 4.01 and 4.11
Cause
When an unauthorized user tries to connect to an 'https://' destination on the Internet, the AP is configured to intercept that request and redirect the user to the captive portal. The captive portal serves 'http://' only. Most browsers will notify the user that the redirect is for a less secure connection than the one he initiated. Once the user is authenticated, 'https://' requests made by the user will no longer be redirected.
Resolution
  • At this time, the workaround is to accept the certificate. Some browsers may move forward with the redirect to the portal page, others may not.
  • The important item here is that if the certificate error pops-up, please check the client session in the system. That user may already be de-authenticated.
Additional notes
If there is an update to allow for 'https://' traffic to pass directly through the network without hitting the Portal process, this article will be updated.

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