Dell Optiplex 745 SFF Desktop – Intel Core 2 Duo 2.33GHz – 4GB RAM – 250GB HDD – Microsoft Windows 7 Professional 32-Bit – WiFi – DVD/CD-RW (Prepared by ReCircuit)

This Refurbished Dell OptiPlex 745 is designed to meet the needs of a wide variety of business users. The energy-efficient and fully customizable 745 can scale to suit your business and is supported by a full set of relevant features and technologies. Customized deployment, remote management and flexible security features can help you simplify your operations and increase your productivity while still providing great value. The OptiPlex 745 is the perfect business system to give you the features you need at the price you want. Save Energy, Save Costs The Energy Star-compliant OptiPlex 745 is extremely energy efficient. With the new Energy Smart configuration, OptiPlex default power settings exceed the worldwide mutually recognized Energy Star standard, which means that each desktop is designed to further reduce power consumption and energy costs, right out of the box. This high level of power management, combined with Power Factor Correcting power supplies, flat panel displays, Intel® CoreTM2 Duo processors and thermally efficient BTX chassis designs, means that the OptiPlex 745 uses up to 70% less power than previous generations of OptiPlex desktops, so it helps you conserve your resources and the earth’s resources at the same time.

Product Features

  • When you buy Professionally Refurbished PCs from ReCircuit® you receive a machine that is Like New at a fraction of the price! Our Factory Certified Refurbished computers undergo the Highest Standard Diagnostic Testing!
  • Great Personal Computer! Space Saver Design! 90-Day Warranty!
  • Model: Dell OptiPlex 745 SFF – Core 2 Duo 2.33GHz – 4GB RAM – 250GB HDD – Networking: Ethernet & WiFi – Slots: (1) low-profile PCI, (1) low-profile pcie x16 graphics – Ports: 8 x USB 2.0, 1 x serial, 1 x parallel, 1 x VGA, 1 x Ethernet (RJ-45), 2 x 3.5mm audio line-in, 2 x 3.5mm audio line-out – Power Supply: 275W
  • Software: Comes Pre-Installed with *NEW* Windows 7 Professional 32-Bit Operating System
  • What’s in The Box? Refurbished Dell OptiPlex 745 SFF with Power Cable, New ReCircuit® USB Keyboard, Mouse & Mousepad!

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Linux iptables Pocket Reference

Firewalls, Network Address Translation (NAT), network logging and accounting are all provided by Linux’s Netfilter system, also known by the name of the command used to administer it, iptables. The iptables interface is the most sophisticated ever offered onLinux and makes Linux an extremely flexible system for any kind of network filtering you might do. Large sets of filtering rules can be grouped in ways that makes it easy to test them and turn them on and off.Do you watch for all types of ICMP traffic–some of them quite dangerous? Can you take advantage of stateful filtering to simplify the management of TCP connections? Would you like to track how much traffic of various types you get?This pocket reference will help you at those critical moments when someone asks you to open or close a port in a hurry, either to enable some important traffic or to block an attack. The book will keep the subtle syntax straight and help you remember all the values you have to enter in order to be as secure as possible. The book has an introductory section that describes applications,followed by a reference/encyclopaedic section with all the matches and targets arranged alphabetically.

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Mac OS X Snow Leopard: The Missing Manual (Missing Manuals)

For a company that promised to “put a pause on new features,” Apple sure has been busy-there’s barely a feature left untouched in Mac OS X 10.6 “Snow Leopard.” There’s more speed, more polish, more refinement-but still no manual. Fortunately, David Pogue is back, with the humor and expertise that have made this the #1 bestselling Mac book for eight years straight. You get all the answers with jargon-free introductions to:

  • Big-ticket changes. A 64-bit overhaul. Faster everything. A rewritten Finder. Microsoft Exchange compatibility. All-new QuickTime Player. If Apple wrote it, this book covers it.
  • Snow Leopard Spots. This book demystifies the hundreds of smaller enhancements, too, in all 50 programs that come with the Mac: Safari, Mail, iChat, Preview, Time Machine.
  • Shortcuts. This must be the tippiest, trickiest Mac book ever written. Undocumented surprises await on every page.
  • Power usage. Security, networking, build-your-own Services, file sharing with Windows, even Mac OS X’s Unix chassis-this one witty, expert guide makes it all crystal clear.

Product Features

  • Used Book in Good Condition

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