Calife – A lightweight alternative to sudo
Calife requests user’s own password for becoming login (or root, if no login is provided), and switches to that user and group ID after verifying proper rights to do so. A shell is then...
Category: Security
Configuring layer-two peer-to-peer VPN using n2n
n2n is a layer-two peer-to-peer virtual private network (VPN) which allows users to exploit features typical of P2P applications at network instead of application level. This means that users can gain native IP visibility...
How to Protect Ubuntu Server Against the Shellshock Bash Vulnerability
On September 24, 2014, a GNU Bash vulnerability, referred to as Shellshock or the “Bash Bug”, was disclosed. In short, the vulnerability allows remote attackers to execute arbitrary code given certain conditions, by passing...
Timekpr – Keep control of computer usage
This program will track and control the computer usage of your user accounts. You can limit their daily usage based on a timed access duration and configure periods of day when they can or...
Setup FTP server using VsFtp and Configure Secure FTP connections (Using TLS/SSL) on Ubuntu 14.04 Server
vsftpd is a GPL licensed FTP server for UNIX systems, including Linux. It is secure and extremely fast. It is stable. Don’t take my word for it, though. Below, we will see evidence supporting...
