Portal of the Guest - untrusted certificates

All,

My integration ISE is on our local area, for example company.local. I created a rule in the authorization policy that uses a static IP address, say guest.company.com for our guests to use for redirection. When you get the web redirection of auth in guest.company.com they get the untrusted certificates.

I tried to import a certificate of our external CA and faced errors because he didn't have the. Societe.local SAN. I threw that, with CSR but my external certification authority, not not give me an option to include it.

How is - that it is corrected then our guests hit the web portal without obtaining a certificate error?

Hi Jason,

According to my experience, it is a common problem.  Generally, what I do on deployments, is a certificate signed trusted 3rd - party for my HTTPS use on the devices of the ISE. If you want to use your internal CA for EAP authentication for your computers in domain and other sessions, you can still do it.

Note: Sometime in 2014 (it may already be active) the signatories of the 3rd party certificate will no longer allow .local or other internal areas on their certificates.

That said, I've normally been deploy ISE devices with an external domain name, example, ise.company.com rather than ise.company.local.  You can configure split DNS on your network to allow the ise.company.com to solve your internal IP address.

I hope this helps.

Tags: Cisco Security

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