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To the uninitiated, the title may seem like an oxymoron: after all, aren't hacks what network security is supposed to prevent? But if you're network administrator, this book's title not only makes sense; it makes a lot of sense. You know that a busy administrator needs a hatful of devilishly effective security hacks to keep your 12-hour days from becoming all-nighters.Network Security Hacks is not a long-winded treatise on security theory. Instead, this information packed little book provides 100 quick, practical, and clever things to do to help make your Linux, UNIX, or Windows networks more secure today.This compendium of security hacks doesn't just cover securing TCP/IP-based services, but also provides intelligent host-based security techniques. ...

Cisco routers are used widely both on the Internet and in corporate intranets. At the same time, the Cisco Internet Operating System (Ios) has grown to be very large and complex, and Cisco documentation fills several volumes. Cisco Ios Access Lists focuses on a critical aspect of the Cisco Ios-access lists. Access lists are central to the task of securing routers and networks, and administrators cannot implement access control policies or traffic routing policies without them. Access lists are used to specify both the targets of network policies and the policies themselves. They specify packet filtering for firewalls all over the Internet. Cisco Ios Access Lists covers three critical areas: Intranets. The book serves as an introduction and a referenc...

Photoshop CC is truly amazing, but it can also be overwhelming if you're just getting started. This book makes learning Photoshop as easy as possible by explaining things in a friendly, conversational stylewithout technical jargon. After a thorough introduction to the program, you'll delve deep into Photoshop's secrets with expert tips and practical editing advice you can use every day. The important stuff you need to know:Learn your way around. Take a tour of Photoshop's workspace and learn how to customize it. Unlock the magic. Use layers, masks, and Smart Objects to safely edit your images. Perfect your photos. Learn techniques for cropping, color-correcting, retouching, and combining photos. Master color. Drain, change, and add color; create gorg...

Build HTML5-based hybrid applications for Android with a mix of native Java and JavaScript components, without using third-party libraries and wrappers such as PhoneGap or Titanium. This concise, hands-on book takes you through the entire process, from setting up your development environment to deploying your product to an app store. Learn how to create apps that have access to native APIs, such as location, vibrator, sensors, and the camera, using a JavaScript/Java bridgeand choose the language that gives you better performance for each task. If you have experience with HTML5 and JavaScript, you'll quickly discover why hybrid app development is the wave of the future.Set up a development environment with HTML, CSS, and JavaScript tools Create your f...