Articles
Transport Encryption with DANE and DNSSEC
Those who think that enabling STARTTLS in the mail client will make their mail traffic more secure are wrong. Only those who bank on DANE can be sure that a mail server or a firewall will not switch off encryption in transit.
DIME and Dark Mail seek to change the world of digital mail
Email has the reputation of being insecure, unreliable, and easily readable for any user – just like a postcard. An initiative led by the founders of Lavabit and PGP hopes to replace email with a new medium.
Data Analysis with R and Python
The statistical programming language R dissects its database in a masterful way, and you can embed your R in Python using the Rpy2 interface.
From debugging to exploiting
Kernel and compiler security techniques, together with sound programming practices, fend off memory corruption exploits.
Optimizing utilization with the EDF scheduler
The superior "Earliest Deadline First" task scheduling method has been part of Linux since kernel 3.14.
Scalable mail storage with Dovecot and Amazon S3
Admins can solve typical mail server scalability problems with Dovecot’s Amazon S3 plugin and the Ceph distributed object store.
Security in the network with Kali Linux
Thanks to its huge choice of security tools, Linux is perfectly suited to securing heterogeneous networks. With a specialized distro like Kali Linux, you can quickly locate and eliminate security vulnerabilities.
Comparing Ceph and GlusterFS
Many shared storage solutions are currently vying for users’ favor; however, Ceph and GlusterFS generate the most press. We compare the two competitors and reveal the strengths and weaknesses of each solution.
iSCSI: Set up and use LIO targets
The LIO multiple-protocol SCSI target is perfectly suited for complex test environments, especially because of its support for SCSI standards across the board.
TCP Stealth hides open ports
Port scans for finding vulnerable services are nothing new, and port knocking as a defense has been around for a while, too. TCP Stealth tries to do something similar, but it takes a more sophisticated approach. We take a closer look.
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