I was able to get Captive Portal setup successfully, but is there a way to prevent IE from complaining about a certificate error to get to the captive portal? I probably won't be able to use it because of this error, it would be too confusing to some of my users.
Thanks for any help.
Solved! Go to Solution.
You will need to switch to redirect mode to remove the browser warnings. This allows the device to forward the browser to an interface IP address that will have a matching certificate and then, once properly authenticated, it will forward them back to the originally desired destination.
I switched to redirect mode to 10.2.0.1, which is one of my L3 interfaces and I still receive a certificate error -- I've tried both a self generated certificate and using that Server Certificate and just leaving the Server Certificate blank.
I am seeing this in IE8, I don't have any other browsers installed on the machine I am testing with.
Any thing else I can try?
You don't necessarily need to purchase a cert, but you do need it to be a cert signed by a CA that your browsers trust. If you have a CA in place for creating certs for internal services, the same could be used for this. Alternatively, you could create a CA and tell your browsers to trust certs signed by it.
If you are using a self-signed certificate with Captive Portal and IE8 you will see slow page load times.
This is a browser issue. One way that you can solve this problem is by putting a valid cert on the Captive Portal and using redirect mode for Captive Portal.
When you say "IE 8 cannot trust a valid cert" what does that mean exactly?
Public CA or Internal CA?
certificate details? (format, key length, etc etc)
What error(s)/symptom(s) does IE 8 display?
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