Latest Articles

Telecommunications and Network Security Concepts for CISSP Exam

by M. L. Srinivasan | December 2009 | Networking & Telephony

The telecommunication and network security domain deals with the security of voice and data communications through local area, wide area, and remote access networking. The focus is to understand the networking models such as Open Systems Interconnect (OSI) and TCP/IP models, which are the most important models that follow a layered approach to networking, as well as the security mechanisms for Internet, Intranet, and Extranet in terms of firewalls, routers, and intrusion detection and protection systems.

The telecommunication and network security domain is one of the 10 domains of the Certified Information Systems Security Professional (CISSP) exam.

In this article by M.L.Srinivasan, we will discuss the following topics:

  • Different protocols that are in transport layer, network/internet layer, and link layer in the TCP/IP model
  • Some threats and vulnerabilities that are prevalent to such protocols
  • Common attacks and possible countermeasures
  • Important technologies and the security issues associated with them
Read Telecommunications and Network Security Concepts for CISSP Exam in full

Selecting DOM Elements using MooTools 1.2: Part 1

by Jacob Gube | December 2009 | Java Open Source

In this article by Jacob Gube, we will look at:

  • The $() and $$() function
  • Selecting HTML elements with pseudo-class selectors
  • Selecting HTML elements based on their attributes

So let’s get on with it...

Read Selecting DOM Elements using MooTools 1.2: Part 1 in full

Networking with OpenVPN

by Markus Feilner | December 2009 | Linux Servers Networking & Telephony Open Source

In this article by Markus Feilner, we will discuss the basic networking concepts of OpenVPN, and also have a brief look at the configuration. At the end of the article, OpenVPN is compared to IPsec, the quasi-standard in VPN technology. This article will cover the following:

  • Networking with OpenVPN
  • OpenVPN and firewalls
  • Configuring OpenVPN
  • OpenVPN versus IpSec
  • Source for documentation
Read Networking with OpenVPN in full

Advantages and History of OpenVPN

by Markus Feilner | December 2009 | Linux Servers Networking & Telephony Open Source

In the mid 1990s, the rise of the Internet and the increase in speed of cheap Internet connections paved the way for new technologies. This lead to the idea of providing secure connections between enterprise branches through low-cost lines using the Internet. This is a very basic description of what VPNs are all about.

In this article by Markus Feilner, we will discuss the features and advantages of OpenVPN followed by its release history.

Read Advantages and History of OpenVPN in full

Configuring JBoss Application Server 5

by Francesco Marchioni | December 2009 | JBoss Java Open Source

In the previous article on Creating a Web Application on JBoss AS 5, we saw how to install JSF on JBoss AS and we enhanced the Appstore Enterpirse application by adding a web layer to it.

In this article by Francesco Marchioni, we will cover in detail how to properly configure JBoss Web Server. Apache Tomcat provides the core functionality of JBoss Web Server. Its embedded engine allows seamless integration with JBoss components, by using the underlying Microkernel system.

Read Configuring JBoss Application Server 5 in full
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