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[2021/10/18 additional information]
As per the announcement below, the Campus Wi-Fi (JAIST, eduroam) connection cannot be authenticated with a revoked certificate now.
If you are suddenly unable to connect to the Wi-Fi, please check if the certificate you are using is valid.
Procedure for checking the revocation/validation of a digital certificate
If your certificate has been revoked, import a valid certificate and modify your Wi-Fi settings.
[Wireless LAN] How to Replace a Digital Certificate
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The digital certificate (client certificate) issued by JUPKI is used for the authentication to connect to the SSID 'JAIST' and 'eduroam' of the campus Wi-Fi service.
Currently, there is a flaw in the configuration of this authentication, and it is possible to connect using a revoked digital certificate, although the correct behavior is to not be able to connect using a revoked digital certificate.
There will be a one months transitional period from this announcement for users who are using revoked digital certificates.
We plan to disable JAIST/eduroam connections with revoked digital certificates end of Sep 2021.
If you have used a revoked digital certificate to authenticate Wi-Fi connection, you will receive an mail from us about this.
Please replace it with a valid digital certificate as soon as possible, if you have a revoked digital certificate.
Please refer to the following page to check your digital certificate is valid or revoked.
Procedure for checking the revocation/validation of a digital certificate
If you are using a revoked digital certificate, refer to the following page to change the digital certificate used for the wireless LAN.
[Wireless LAN] How to Replace a Digital Certificate
If you have any questions, please contact us via the inquiry form or email(isc-query[at]ml.jaist.ac.jp).