Do you pull out your credit card when you know you shouldn’t? Do you watch others make a purchase and decide to make the same one, despite the fact that you have neither the money nor the need for it? Do you find yourself ignoring your bank statements because you’re afraid of what they might show?Many, if not most, Americans would...

The first edition of TCP/IP Network Administration was written in 1992. In the decade since, many things have changed, yet some things remain the same. TCP/IP is still the preeminent communications protocol for linking together diverse computer systems. It remains the basis of interoperable...

Insight into IELTS New Edition offers comprehensive preparation for the IELTS examination. The course develops skills, language and familiarity with each paper progressively, and the Speaking section has been updated to reflect the new format of the Speaking Paper (in effect from July 2001). Exam-type exercises are a regular feature, and the...

Linux networks are becoming more and more common, but security is often an overlooked issue. Unfortunately, in today’s environment all networks are potential hacker targets, from top-secret military research networks to small home LANs. Linux Network Security focuses on securing Linux in a networked environment, where the security...