F-Secure Linux Server Security Mail Scanning Deployment Guide
Contents:
1 Introduction Studies have shown that over 90% of computer viruses spread by e-mail. Virus writers often take advantage of the most commonly used e-mail and groupware systems in order to maximize the speed and effects of viruses. By discovering vulnerabilities in different e-mail systems, they are able to create viruses that are more and [...]
Laser Scanning Cytometer Tutorials
Contents:
Powering Up the LSC Introduction The LSC has an optics/electronics unit, a microscope with a motorized stage, and a computer with a monitor. The optics/electronics unit contains one or two lasers (blue, argon-ion and red, HeNe) along with all of the laser beam steering optics, the galvanometer which creates the laser scanning line, and a [...]
Fighting Virus and Hack Attacks with a Network Analyzer
Contents:
By Charles Thompson, Senior Systems Engineer for Network Instruments, LLC Summary This article shows how a network analyzer, historically used for network troubleshooting, can also be used to defend against the security threats. Certain features of a network analyzer can be set to monitor for virus and attack signatures and offer quick ways of isolating [...]
Java Network Programming
Contents:
Java™’s growth over the last five years has been nothing short of phenomenal. Given Java’s rapid rise to prominence and the general interest in networking, it’s a little surprising that network programming in Java is still so mysterious to so many. This doesn’t have to be. In fact, writing network programs in Java is quite [...]
Hack Proofing Your Wireless Network
Contents:
Introduction When the concept of a network without wires was ?rst suggested more than two decades ago, it sparked the imagination of scientists, product vendors, and users around the globe eager for the convenience and ?exibility of a free roaming con- nection. Unfortunately, as the variety of wireless solutions began to emerge, antic- ipation turned [...]
