Linux security extensions
Unix Security – Discretionary Access Control. Extending Unix Security. Extended DAC. POSIX ACLs. POSIX Capabilities. Namespaces. Network Security. Cryptography.
Unix Security – Discretionary Access Control. Extending Unix Security. Extended DAC. POSIX ACLs. POSIX Capabilities. Namespaces. Network Security. Cryptography.
If you’ve switched to Ubuntu from Windows, there’s a very good chance that the security failings of Windows featured in your decision. Windows 7 contains many improvements, but Microsoft’s record on security over the past few years has not been great. New and serious security warnings have appeared on an ongoing basis, and even now, … Read more
The first thing to do before installing and using Kali Linux is to download it. You can get Kali Linux from the Kali Linux website ( http://www.kali.org/downloads/ ). On the download page, you can select the official Kali Linux image based on the following items, which is also shown in the next screenshot: • Machine … Read more
Kali Linux contains a number of tools that can be used during the penetration testing process. The penetration testing tools included in Kali Linux can be categorized into the following categories: • Information gathering: This category contains several tools that can be used to gather information about DNS, IDS/IPS, network scanning, operating systems, routing, SSL, … Read more
Even if it were possible to lock a system down air tight, it is not always practical to invest the time and effort required to do so. The best thing to do is to first determine your risk, and then secure accordingly. Risk= (threat*vulnerability*impact) Threat: What is the probability of you coming under attack? Who … Read more
Linux can give you: 1. A modern, very stable, multi-user, multitasking environment on your inexpensive PC hardware, at no (or almost no) monetary cost for the software. Linux is a rich and powerful platform don’t think of it as a “poor people” operating system. Out-of-box Linux has as much capability as MS Windows NT with … Read more
Get Email Alert on Root Login Linux To improve the security of the server, especially web server which exposes to the Internet and possible worldwide hackers, it’s best to enable server to automatically send a notification email to predefined email address every time someone logs in as root to the host. You can configure the … Read more