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Security

Peter Dreuw
One would think that microcode updates are basically unproblematic on modern Linux distributions. This is fundamentally correct. Nevertheless, there are always edge cases in which distribution developers may have missed something. Using the example of Ubuntu 18.04 LTS "Bionic Beaver" in connection...
Peter Dreuw
The open source SSH client "PuTTY", which is very popular with Windows administrators, was released in a new version last Saturday. This update is the first to come after about 20 months and closes some important security gaps. Users should update immediately The currently released version 0.71...
Melissa Ames
The Let's Encrypt initiative is now providing free, open certificates, including for commercial use! This is great news for the internet and its users; a more secure and more reliable internet results in a more protected user.This is a giant step forward for security and privacy online. Adding an...
Melissa Ames
We are supporting the Odoo business security audit campaign. Our developers have extensive experience with Odoo and we understand the importance of ensuring users have full trust in the software. One of our consultants, Ondrej, has a significant history with the development of Odoo and completed...
Roland Wolters
The System Administrator will often come across a situation where an SSH connection to Host B is only possible by making a detour via SHH to Host A: client -> ssh A -> ssh B To shorten this two-step process, an entry can be made in the ~/.ssh/config of Host A as "Jumphost", to ensure that...
Michael Banck
In May, Consultants from credativ GmbH will be holding a 3 day advanced system and network administration workshop at the Open Source School in Munich. Training specifics (subject to modifications!): Kerberos : This training covers the Kerberos authentification protocol, which can handle a range of...
Roland Wolters
credativ employee, Alexander Wirt, is due to give a presentation at the German Chemnitz Linux Days about Single Sign On with Kerberos. Besides an introduction into configuration of Kerberos, the talk will also focus on the configuration of its various services. Kerberos is an authentication...
Roland Wolters
The Debian project has announced that its internal DNS infrastructure is gradually moving over to DNSSEC. Thus from now on, all DNS answers for debian.com, amongst others, will be digitally signed to verify their authenticity. The Domain Name System (DNS) is one of the core components of the...