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Kerberos, the single sign-on authentication system originally developed at MIT, deserves its name. It's a faithful watchdog that keeps intruders out of your networks. But it has been equally fierce to system administrators, for whom the complexity of Kerberos is legendary.Single sign-on is the holy grail of network administration, and Kerberos is the only game in town. Microsoft, by integrating Kerberos into Active Directory in Windows 2000 and 2003, has extended the reach of Kerberos to all networks large or small. Kerberos makes your network more secure and more convenient for users by...

More often than not, the words "sendmail configuration" strike dread in the hearts of sendmail and system administrators--and not without reason. sendmail configuration languages are as complex as any other programming languages, but used much more infrequently--only when sendmail is installed or configured. The average system administrator doesn't get enough practice to truly master this inscrutable technology.Fortunately, there's help. The sendmail Cookbook provides step-by-step solutions for the administrator who needs to solve configuration problems fast. Say you need to...

Novell ZENworks for Servers (ZENworks stands for Zero Effort Networking) is the cross-platform solution for server content and configuration management. It provides server consistency across Windows, Linux, Solaris and NetWare platforms, enables intelligent network automation, and increases management efficiency so everything works together as on Net. As a result, organizations get a stable server environment and significantly reduce networking costs.

"Novell s ZENworks for Server 3 Administrator s Handbook" guides the reader through the potential rough spots. It explains how ZENworks...

Get up and running on Microsoft Windows Server 2008 with ease

This hands-on guide covers all the essentials of deploying and administering the latest release of Microsoft's powerful, versatile network operating system. Using clear screenshots and step-by-step instructions, Microsoft Windows Server 2008: A Beginner's Guide shows you how to set up the server, migrate from earlier versions, and handle networking, administration, storage, and security. You'll also get details on the new Web tools and management utilities available in Windows Server 2008....

What once seemed nearly impossible has turned into reality. The number of available Internet addresses is now nearly exhausted, due mostly to the explosion of commercial websites and entries from an expanding number of countries. This growing shortage has effectively put the Internet community--and some of its most brilliant engineers--on alert for the last decade.Their solution was to create IPv6, a new Internet standard which will ultimately replace the current and antiquated IPv4. As the new backbone of the Internet, this new protocol would fix the most difficult problems that the...