yourfirstserver.comThursday, 24 May 2012
Find Us on : RSS/Feed Facebook Twitter

30 March 2010, 08:03:22

Securing Ad Hoc Networks

1 Introduction

Ad hoc networks are a new paradigm of wireless communication for mobile hosts (which we call nodes). In an ad hoc network, there is no fixed infrastructure such as base stations or mobile switching centers. Mobile nodes that are within each other’s radio range communicate directly via wireless links, while those that are far apart rely on other nodes to relay messages as routers. Node mobility in an ad hoc network causes frequent changes of the network topology. Military tactical operations are still the main

...

Networks


30 March 2010, 08:03:16

Firewalls: Understanding Your Network’s Front Line Defense

The word “firewall” is commonly heard in almost any conversation about network security. They are hailed as being protective and necessary, but the question is: what exactly is a firewall, and what does it do? A firewall can be either a piece of hardware that sits on the network, or it can be a software utility used on a server. Once implemented, a firewall acts as the first line of defense for your network, used to protect your information from outside threats.

There are two types of firewalls; standard firewalls, and application layer firewalls. Standard

...
Page 25 of 25 1 … 22 23 24 25