OC300 RADUIS authentication Android 11 Server Certificate Validation Error

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OC300 RADUIS authentication Android 11 Server Certificate Validation Error

This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.
OC300 RADUIS authentication Android 11 Server Certificate Validation Error
OC300 RADUIS authentication Android 11 Server Certificate Validation Error
2021-06-11 17:49:07
Model: OC300  
Hardware Version:
Firmware Version: 1.1.0 Build 20210406 Rel.58776

Good afternnon.

 

We've setup our OC300 to authenticate using a RADIUS server. It works great except for any Android 11 devices. 

Has anyone been able to set this up?

 

Thanks for looking.

 

Pat

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Re:OC300 RADUIS authentication Android 11 Server Certificate Validation Error
2021-06-12 08:05:27 - last edited 2021-06-12 08:06:46

@PatLamb 

 

Hey

 

Not in the Omada range but I have had this issue recently with other vendors

 

If its the same issue for you it will affect Android 11 devices running the Feb/March 2021 security update.   Long story short the update brings WPA3 with backwards compatibility for WPA2, however, to achieve this in an enterprise setting it removes the ability to bypass certificate validation.  

 

Certificate validation bypass has always been a weakness of WPA2 so removing it in WPA3 didn't come as a suprise

 

Sadly this proved to be a real pain as its not possible to bypass this, ended up having to get a GoDaddy certificate and go down that route to speficially suit the Android devices.

 

The link below might explain this a bit more elegantly than I can

 

https://www.securew2.com/blog/android-11-server-certificate-validation-error-solution

 

 

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Re:OC300 RADUIS authentication Android 11 Server Certificate Validation Error
2021-06-14 13:48:50

@Philbert 

Thanks!

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