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Schlagwort: ‘RADIUS’

New Root Certificate for eduroam & RWTH-Institutes

September 1st, 2025 | by
Orange background with a graphic of a certificate in front of it, underneath which is written “Radius certificate change.”

Source: Own Illustration

On September 9, 2025, the root certificate for the RADIUS server of eduroam and RWTH-institutes will be changed to the new DFN Community Root CA 2022 as part of a regular security measure. From this point on, only the new certificate will work – it will no longer be possible to use the old one. To ensure that you remain connected securely and without problems after September 9, you should update your WLAN configuration in good time.

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WiFi News – Part 3: New Root, Old WiFi

June 30th, 2023 | by
Router, notepad, and smartphone

Source: Freepik

On May 23, 2023, the server certificate of our authentication server “radius.rz.rwth-aachen.de” had expired. For that reason a new certificate was implemented in the system. In the first post of this blog series we informed you about this.

Now a larger change is coming up: In the future, the new certification instance GÉANT/TCS will be used and replace DFN-PKI Global. As a consequence a new Radius certificate and certification chain will be used. This migration will take place on August 1, 2023.

Eduroam will be affected with regard to registration and configuration. The exact background and what you have to do, to continue using eduroam, we will explain in the following blog post. Read the rest of this entry »

WiFi News – Part 1: New Certificate for the RADIUS Server

May 17th, 2023 | by
Front view of smartphone and WiFi router

Source: Freepik

For the expiration of the server certificate of our authentication server radius.rz.rwth-aachen.de the certificate on the system will be exchanged on May 23, 2023. This has already been announced in the status message portal.

You will be affected by these changes the next time you log in to eduroam. What you have to do to continue using the WiFi, we explain in the following blog post.

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