The first time you connect to one of the KPH ssh gateways, you will be asked to accept a key fingerprint. Use this page to verify the host keys. Continue reading "ssh server authentication"
The different possible BigBlueButton conference types cause different network and CPU loads. However, this affects not only the BBB server, but also the participants who use very different Internet providers and who have to share the connections with family members and neighbors. Remember that the whole of Germany is in the "home office" during the Corona crisis. Continue reading "Comparison of different BBB conference types"
This week, the Federal Office for Information Security has again published a warning of the trojan "Emotet"  (only in german)
Fraudsters are currently sending fake applications to prepare dynamite phishing.
In dynamite phishing, the attackers send e-mails to a target with the intention of forcing them to open the e-mail attachment.
On Tuesday, 09.07.2019 at 6pm, the certificates of the WLAN connections "Uni-Mainz" and "eduroam", as well as of the unversity VPN server of the unversity will be renewed. Depending on the operating system, the certificate will be automatically accepted or must be manually accepted due to a request. Either the name oder the fingerprint will be shown.
The correct certificate contains (again depending on the operating system and may be shown partially) the follow information:
CN = radius.zdv.uni-mainz.de
O = Johannes Gutenberg-Universitaet Mainz
L = Mainz
S = Rheinland-Pfalz
C = DE
Fingerprint: e7 78 56 db b8 2c 23 cf f1 26 94 48 42 f4 cd 54 b3 5b 6b 7d
PuTTY is a free implementation of SSH- and Telnet-services for Windows.
In a nutshell
- Official title: KRACK (Key Reinstallation AttaCKs)
- The cause of this security breach is the so called 4-way-handshake method.
How to access and register at the ssh-gateway.