Firewalls Clearly Explained

Computing-intensive organizations have always paid lip service to the issue of system and network security, but their general laxity and technical oversights were exposed by recent, widely publicized hacker attacks. These attacks have prompted renewed vigilance on the part of both businesses and government agencies, and IT professionals are now scrambling to learn everything they can about how to protect their systems against hackers and other security threats.Firewalls Clearly Explained is destined to be a popular and valuable resource for this enormous audience. Now more than ever, companies large and small need a practical, ground-up introduction to the most common and most effective form of protection: software-based security known as a firewall. This book tells them everything they need to know to get a firewall in place and begin taking security seriously -- again.