Network Security Hacks -- This information-packed book provides more than 100 quick, practical, and clever things to do to help make your Linux, Unix, and Windows networks more secure. These security hacks don't just cover securing TCP/IP-based services; they also provide intelligent host-based security techniques. Loaded with concise but powerful examples of applied encryption, intrusion detection, logging, trending, and incident response, the book demonstrates effective methods for defending your servers and networks from a variety of devious and subtle attacks. Five sample hacks are available free online.

FreeBSD Networking Basics -- Networking is an integral part of a modern FreeBSD system. It works wonderfully, but beginners to Unix-like operating systems are often stymied by their network settings. In this article, Dru Lavigne explains how to verify, configure, and optimize FreeBSD networking. You'll find 100 tips for BSD users and administrators in Dru's upcoming BSD Hacks.

Learning Assembly Language Is Still a Good Idea -- Randall Hyde makes a case for the relevance of learning assembly language even today. The key, he says, is to learn how to efficiently implement an application, and the best implementations are written by those who've mastered assembly language. Randall is the author of Write Great Code (No Starch).

O'Reilly Gets a New Name -- O'Reilly & Associates, Inc. is now O'Reilly Media, Inc. We've changed our name to O'Reilly Media to reflect our expanding array of products and services, from books, conferences, and the suite of O'Reilly Network web sites, to Safari Bookshelf and SafariU. Read more about it in our press release.

Optimizing Your Servers’ Pagefile Performance -- If you want to wring the most out of your servers' performance, you need to go beyond the default pagefile setting. Here's some hard-won advice to help you, from Mitch Tulloch, author of Windows Server Hacks.

Your O'Reilly Account: New, Single Sign On -- O'Reilly customers and guests now have a single address and one password to access all things O'Reilly, from oreilly.com and Safari Bookshelf to all of the O'Reilly Network sites and DevCenters. When possible, we've consolidated your prior, separate accounts into one new account. Logging into the new system is quick and easy; details on how to do it have been emailed to you, and you can read more about O'Reilly's single sign on in Tony Stubblebine's weblog.

Hacking Windows Server -- Learn how to use an ADSI-based script to search for domain users, how to use the Hyena utility to quickly find out which user on your network has a particular file open, and how to locate all machines that have automatic logon enabled in the Registry--all in these sample hacks from Mitch Tulloch's Windows Server Hacks.

Getting Connected on the Road Using Infrared or Bluetooth -- Even with today's proliferation of wireless hot spots, getting online while on the road can be a challenge. Learn how to use infrared and Bluetooth to connect to the Internet with your mobile phone and laptop, from Wei-Meng Lee, author of Windows XP Unwired.

Top Ten Tips to Make Attackers' Lives Hell -- Chris McNab breaks down his top ten tips all network administrators should follow to protect their networks from opportunistic threats, and to make it hard for the more determined attackers to get anywhere. Chris is the author of the recently released Network Security Assessment.

Eleven Metrics to Monitor for a Happy and Healthy Squid -- Duane Wessels offers 11 tips to help you stay on top of Squid's performance. Duane is the creator of Squid and the author of Squid: The Definitive Guide.

Windows Server 2003 Add-Ons, Part 3 -- Get more out of Windows Server 2003 without paying a penny. Mitch Tulloch highlights the free tools you can download and add to your toolbox of must-have utilities for Windows administrators. Mitch is the author of Windows Server 2003 in a Nutshell and Windows Server Hacks.

Windows Server Hacks: Disable Run As -- The "Run As" command in Windows is a great tool for network administrators, but in the hands of ordinary users it can be dangerous. Learn how to disable it for users so they can't do any harm, from Mitch Tulloch, the author of Windows Server Hacks.

A Day in the Life of #Apache: The History of mod_imap -- In this latest installment in the series based on his conversations on the IRC channel #apache, Rich Bowen takes you on a trip through the history of mod_imap, and why some modules hang around long after they're no longer in use. Rich is a coauthor of O'Reilly's Apache Cookbook.

Setting Up a Virtual Private Network -- If you're using Windows Server 2003 or Windows XP Pro, this article by Wei-Meng Lee will show you how to remotely--and securely--access network resources with a user-to-network or a network-to-network VPN. Wei-Meng is the author of Windows XP Unwired.

Cooking with sendmail, Part 2 -- Learn how to configure sendmail to offer STARTTLS service and how to limit the SMTP command set in these sample recipes from O'Reilly's sendmail Cookbook.

Cooking with sendmail -- If you've been asked to configure sendmail to use the IETF Internet Draft Schema and read internal mail-routing information from the LDAP server, you'll find complete instructions for both the LDAP and the sendmail system administrator in this sample recipe from sendmail Cookbook.

Cooking with Apache, Part 3 -- Authors Rich Bowen and Ken Coar solve problems related to authentication, symbolic links, and the ever-troublesome trailing slash, in this third and final batch of sample recipes from O'Reilly's Apache Cookbook.

Magnets Versus PDAs -- How well does your phone play with your PDA? Does your iPod coexist peacefully with your laptop? We're not talking about Bluetooth, Wi-Fi, USB, or Firewire. Rather, does a strong magnet on one device interfere with the sensitive electronics of another? The debate began with a fancy orange tote in a recent thread From the Editors List.

Cooking with Apache, Part 2 -- Learn how to make part of your web site available via SSL; how to place a CGI program in a directory that contains non-CGI documents; and how to redirect a 404 ("not found") page to another page, in these latest sample recipes from O'Reilly's Apache Cookbook.

Safari Gets Bigger and Better -- There are now more than 2,000 books from the industry's leading technical publishers available on Safari Bookshelf. As the library grows, so does its functionality: searches are powerfully precise and as broad or specific as you wish; and now, with a Safari Max subscription, you can download chapters to read offline. Safari will help you save time, reduce errors, keep current, and save more money than ever with up to 35% off print copies of your favorite books. If you haven't yet gone on Safari, try a free trial subscription.