IT Center Blog

Kategorie: ‘Announcements’

Changed Opening Hours on September 29, 2023

September 22nd, 2023 | by
Part of a watch face of a pocket watch.


Due to an internal event, the IT Center will only be open for you during limited opening hours on Friday, September 29, 2023.

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Ticket Tool Info – Part 3: Upcoming Upgrade

September 11th, 2023 | by
Ticket with info on the upcoming maintenance of the ticket tool from 12 to 13 September 2023

Source: Own illustration

In the first article of the Ticket Tool-Info series, we introduced you to the ticket tool and its functions. The second article was about the ticket portal and its advantages. In this third and final part of our Ticket Tool-Info series, we would like to tell you about the upcoming upgrade, which will take place from 12 September to 13 September 2023. We’ll also let you know about the service restrictions that will come with it.

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Ticket Tool Info – Part 2: Advantages of the Ticket-Portal

September 4th, 2023 | by
Ticket with info on the upcoming maintenance of the ticket tool from 12 to 13 September 2023

Source: Own illustration

The second part of our Ticket Tool-Info series of articles is about the Ticket-Portal and its advantages. After informing you about our ticket tool and its functions in the first article, we would like to take a closer look at our Ticket-Portal in this article, through which you can easily and simply send us all your inquiries, whether technical or not. From logging in to the user-friendly interface to tracking progress to the status of your ticket – the Ticket-Portal offers you everything you need.

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E-Mail Security – Evaluation of DMARC Policy for Incoming Emails

August 30th, 2023 | by
Letters of a keyboard representing the word email

Source: Pixabay

In the fourth part of our e-mail security series, we would like to inform you about an innovation in our e-mail security policy.

After we reported on e-mail, e-mail statistics at RWTH Aachen University, and the SMTP protocol and its pitfalls in the first and second articles, and informed you about the DKIM identification protocol and DMARC in the third article, this fourth part is now about a new e-mail security requirement. To ensure that RWTH can continue to provide a secure e-mail service in the future, we have decided to introduce the evaluation of a sender’s DMARC policy when accepting mail at the university’s central mail gateway. You can find out what this means in this blog post.


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Ticket Tool Info – Part 1: The Ticket Tool and Its Functions

August 28th, 2023 | by
Ticket with info on the upcoming maintenance of the ticket tool from 12 to 13 September 2023

Source: Own illustration

In this article we will familiarise you with the functions and background of our ticket tool. We will also tell you about the big upcoming upgrade of our ticket tool in the period from September 12 to 13, 2023 and the associated service restrictions. But don’t panic: We will remain loyal to you during this period and will be available despite the restrictions during the upgrade. 🙂 Read the rest of this entry »

Adieu CAS CAMPUS Web-Phonebook

August 25th, 2023 | by
CAS CAMPUS Writing plug is getting pulled

Source: Freepik

The old CAS Campus directory will be shut down on August 31, 2023. For many years it served RWTH Aachen University and the RWTH University Hospital as a web phone book. Until the introduction of RWTHonline, CAS CAMPUS was not just a web phonebook at the time, but a fully comprehensive CAMPUS management system for teaching at RWTH.

On the blog, we have provided comprehensive coverage of the project to replace CAS CAMPUS with its follow-up, RWTHcontacts, and have been keeping you up to date.

Since June 28, 2023, the web phone book of CAS CAMPUS is only available for reading and has been replaced by the new directory RWTHcontacts for the RWTH and UKAcontacts for the University Hospital. Read the rest of this entry »

Requesting User Certificates via the RA Portal – Info for End Users

August 18th, 2023 | by
Drawing signed sheet and shield with lock

Source: Freepik

As of August 15, 2023, you can request user certificates from GÉANT/TCS in the RA portal. The DFN-PKI Global used so far will cease operation on August 30, 2023.

User certificates function like a digital ID card. They are personal, which means that you can uniquely identify yourself as a user. You can use them to sign documents or e-mails and thus prove that you personally digitally signed a document or sent an e-mail.

You need a user certificate for your e-mail address? You already have a user certificate from DFN-PKI Global? How do you proceed now? In this blog post we would like to provide clarity and answer these and other questions on the subject.


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Requesting User Certificates (S/MIME) via the RA Portal – Info for IT Admins

August 16th, 2023 | by
Drawing of a certificate on a tablet and office supplies

Source: Freepik

Yesterday, August 15, 2023, the RA portal ( was additionally enabled for the issuance of user certificates in the GÉANT/TCS (PKI). From August 30, 2023, it will no longer be possible to apply for new user certificates via DFN-PKI Global, as it will cease operation. Until August 29, 2023, there will thus be parallel operation with the well-known “DFN-PKI Global” service. All certificates issued until then will nevertheless retain their validity status for a maximum of 3 years after certificate issuance. In this blog post you can find out what tasks will now arise for IT administrators. Read the rest of this entry »

The New IT Center Key Visual

July 14th, 2023 | by
IT Center Key VisualI and T consisting of orange cubes. The I shows a friendly face. The T shows a surface like a circuit board

Source: Own Illustration

The IT Center has a new key visual. The key visual, which we developed for marketing purposes, will be seen in many places in the future, in addition to the IT Center logo.

Whether on merchandise, the web or on print products – the key visual is versatile. In addition to the common logo, the key visual allows a clear identification of the IT Center in the RWTH Aachen University logo system.

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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 “” 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 »