Improving your server security should be one of your top priorities, when it comes to managing a linux server. By reviewing your server logs, you may often find different attempts for brute force login,...
Tomb is a free open source, small, powerful and simple tool for encrypting files on GNU/Linux. At the time of this writing, it comprises of a shell script (zsh) using generic filesystem GNU tools...
If you look at IT-related job postings anywhere, you will notice a steady demand for security pros. This does not only mean that cybersecurity is an interesting field of study, but also a very...
There are constant level of high attacks and port scans on Linux servers all the time, while a properly configured firewall and regular security system updates adds a extra layer to keep the system...
Cryptmount is a powerful utility which allows any user to access encrypted filesystems on-demand under GNU/Linux systems without requiring root privileges. It requires Linux 2.6 or higher. It handles both encrypted partitions as well...
FTP or File Transfer Protocol is one of the oldest network protocol used today as standard file transfers over computer networks. FTP protocol uses the standard port 21/TCP as command port. Although, there are...
Some system administrators often block ICMP messages to their servers in order to hide the Linux boxes to outside world on rough networks or to prevent some kind of IP flooding and denial of...
Meltdown is a chip-level security vulnerability that breaks the most fundamental isolation between user programs and the operating system. It allows a program to access the operating system kernel’s and other programs’ private memory...
In our mega guide to hardening and securing CentOS 7, under the section “protect system internally”, one of the useful security tools we listed for internal system protection against viruses, rootkits, malware, and detection...
Basic HTTP authentication is a security mechanism to restrict access to your website/application or some parts of it by setting up simple username/password authentication. It can be used essentially to protect the whole HTTP...
