How do I set up radius so that it does not use certificates?

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  • Updated 10 months ago
We want our devices to authenticate against AD without needing a cert to verify the SSID. 
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Brian D Boothe

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Posted 10 months ago

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Nick Lowe, Official Rep

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Simple answer, you can't avoid X.509 certificates.

The common EAP types in use today for wireless 802.1X with broad client support are all TLS-based.

Some devices can be configured to ignore the contents of the certificate but this is not recommended as it is trivially security vulnerable.

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Authenticating against AD means RADIUS, which in turn means certs. PPSK is the only option without cert but no AD authentication.  You could manually manage PPSK to reflect what is in AD but I doubt the efficiency and accuracy of such an approach. I have been looking at pros and cons of both and in the end decided that RADIUS is easier to manage in our environment, and it has the accounting feature that matches users to IP in firewall.