Cyber Attacks Explained: DNS Invasions
We often read about defaced websites whose pages get changed to some malicious content. How do hackers do it and how do we protect our infrastructure from them? This article is about how…
IPsec VPN Penetration Testing with BackTrack Tools
This article outlines the value of penetration-testing VPN gateways for known vulnerabilities and also shows you how to prevent a breach into the internal network. IPsec is the most commonly used technology for…
Guard Your Network with IPCop, Part 2: Add-ons
A basic installation of IPCop provides minimum firewall functionality such as a proxy, compatibility with various Internet connections, port forwarding, IPSec VPN, etc. To convert it into a complete Unified Threat Management (UTM)…
Cyber Attacks Explained: Network Sniffing
In earlier articles in this series, we have explored denial of service attacks and packet spoofing. This month, let us focus on a wider hacking approach called network sniffing, which is very commonly…
NewSQL — The New Way to Handle Big Data
Big data, big data, big data! This term has been dominating information management for a while, leading to enhancements in systems, primarily databases, to handle this revolution. Though there are many alternative information…
The Importance of In-memory Databases
It has been predicted that in-memory computing will be one of the Top 10 technologies of 2012. In-memory databases (IMDBs) are a critical part of this paradigm. Through this introductory article, let’s get…
Postgres-XC — A PostgreSQL Clustering Solution
What started with a simple relational database system, is expanding its horizons by developing new technology that satiates the ever-increasing need for more data storage, greater transaction throughput and higher availability. Using a…
Partitioning in PostgreSQL
Partitioning refers to splitting a large table into smaller pieces. This article covers the basics of partitioning in PostgreSQL. Currently, PostgreSQL supports range and list partitioning via table inheritance. Basically, you have to…
Guard Your Network with IPCop, Part 1: Installation Basics
The classic version of IPCop 1.4.20, which was released on July 24, 2008, was immediately upgraded to the 1.4.21 ISO installer. The much awaited version 2.0 has been out since September 23, 2011….
Cyber Attacks Explained: Packet Spoofing
Last month, we started this series to cover the important cyber attacks that impact critical IT infrastructure in organisations. The first was the denial-of-service attack, which we discussed in detail. This month, we…
May 22, 2013
amitsaha — Thank you for your kind comments everyone. I am glad it's been of help.
I am excited to announce my book:...
May 22, 2013
zero client — SUNDE desktop computing solutions are very much cost effective with environmental
concern. With SUNDE, your work place can turn out to...
May 22, 2013
tabsong — pretty nice
May 21, 2013
JKR — More efficient? Probably. More readable? Definitely not.
May 21, 2013
Prashanth Joshi — The author assumes that the first article being introductory in nature is for the beginners. So there is no question...
