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Computer Networking
'); document.write('08-26-2010 07:00 PM
'); document.write('Classified U.S. Network Breach a Lesson to Others
'); document.write(' The "most significant breach of U.S. military computers ever" occurred in 2008, according to Deputy Secretary of Defense William J. Lynn. Was it a well-coordinated cyberattack that penetrated the Pentagon\'s network defenses? Not exactly. In this case, attackers simply plugged a USB key into one military laptop that unleased a computer worm. The worm in turn spread to many other computers within the U.S. private network and caused them to open up connections to the outside through which data could be siphoned. The same type of breach could easily happen on home networks too, which is why it is important to keep your laptops physically guarded whenever traveling. → More - Defending a New Domain - The Pentagon\'s Cyberstrategy (foreignaffairs.com) → See also - Sensitive U.S. Government Data Found on LimeWire (2009) U.S. Deputy Secretary of Defense William L. Lynn (at left) - Photo: Getty ImagesClassified U.S. Network Breach a Lesson to Others originally appeared on About.com Wireless / Networking on Thursday, August 26th, 2010 at 19:00:40.Permalink | Comment | Email this
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');document.write('08-24-2010 10:31 PM
'); document.write('D-Link DIR-632: World\'s First 802.11n 8-Port Router
'); document.write(' With our homes (mostly) going wireless, one new product you may not have expected to see is a broadband router with expanded cabling capability. Yet the D-Link DIR-632 is exactly that. D-Link\'s newest router adds a new feature never seen before in 802.11n Wireless N gear - 8 built-in Ethernet ports. D-Link is apparently going this direction thinking that consumers need more integrated Ethernet connections in the home. Really? How many of you have a wired home or enough devices close enough to each other for all this wiring to be practical? → More - D-Link DIR-632 Product Page (dlink.com) → See also - What Is an Ethernet Port? → See also - D-Link Touch - Broadband Touch Screen Router - Photo: www.dlink.comD-Link DIR-632: World\'s First 802.11n 8-Port Router originally appeared on About.com Wireless / Networking on Tuesday, August 24th, 2010 at 22:31:17.Permalink | Comment | Email this
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');document.write('08-18-2010 03:01 AM
'); document.write('(Almost) 1 Gbps Home Internet (Test) in the U.S.
'); document.write('It has been almost two years since 1 gigabit per second home Internet in Japan first became available. Japan is a world leader in providing high bandwidth connections to residences. The U.S., with a much more geographically-dispersed population, lags far behind relatively speaking. How far behind? U.S. Internet provider Verizon made headlines this week for a trial completed in June that demonstrated connections of between 800 Mbps and 925 Mbps over their fiber network. Two years is a long time, and a field test is a long way (sometimes years) removed from widespread public service, and 925 Mbps isn\'t quite 1 Gbps, but at least one provider in the U.S. seems to making some progress. → More - Verizon FiOS Test Nears 1 Gigabit per Second (pcworld.com) → See also - What Is Fiber to the Home?(Almost) 1 Gbps Home Internet (Test) in the U.S. originally appeared on About.com Wireless / Networking on Wednesday, August 18th, 2010 at 03:01:48.Permalink | Comment | Email this
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');document.write('08-12-2010 02:18 AM
'); document.write('The Reason(s) Behind Banning BlackBerry
'); document.write(' Although Saudi Arabia joined the UAE in banning BlackBerry network services last week, the Saudi government has since changed its mind. Governments seemed to be concerned about BlackBerries because their parent company, Research In Motion, runs a fully proprietary closed network that makes monitoring emails and messaging much more difficult than standard Web-based communications. Whatever national security issues Saudi Arabia had in view before, apparently they are reassured now, at least temporarily. Hopefully the average citizen feels the same way. → More - Saudis Call off BlackBerry Ban (cnet.com) → See also - How to Check the Status of the RIM (BlackBerry) Network A BlackBerry User Checks Their Email - Photo: Justin Sullivan / Getty ImagesThe Reason(s) Behind Banning BlackBerry originally appeared on About.com Wireless / Networking on Thursday, August 12th, 2010 at 02:18:40.Permalink | Comment | Email this
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');document.write('08-10-2010 05:41 PM
'); document.write('DISCUSS: Opinions on Starting Your Own ISP
'); document.write('Site member Matthew M. is one of many who\'ve ask me for advice about starting a rural Internet Service Provider (ISP) business. Matthew\'s idea is to build a mesh network based on Open Source technology and interface it through a WiMax base station. That isn\'t cheap and may take a long time to pay back. While community volunteer projects like the Jalalabad Fab-Fi Mesh Network are proving successful and making the world a better place, I\'m personally I\'m not a big fan of for-profit business models around providing generic Internet access. Follow this thread on our message board to see other opinions and share your own. → Discuss - Opinions on Starting Your Own ISP → See also - Mesh Networking With 802.11sDISCUSS: Opinions on Starting Your Own ISP originally appeared on About.com Wireless / Networking on Tuesday, August 10th, 2010 at 17:41:36.Permalink | Comment | Email this
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');document.write('08-08-2010 05:15 AM
'); document.write('Is IPv6 a Security Nightmare?
'); document.write('A guest speaker at this year\'s Defcon network security conference criticized the security of IPv6 in a big way. One potential trouble spot with the protocol is its handling of ICMP (better known as ping) messages. Beyond that, some folks seem to be afraid that IPv6 hasn\'t been well tested enough yet to find all the major security exploits. After numerous years of IPv6 development and it being touted as the imminent replacement for IPv4, it\'s hard to believe sufficient testing of the new protocol hasn\'t been completed by now. → More - Defcon Speaker Calls IPv6 a "Security Nightmare" → See also - How to Ping an IP Address or Computer NameIs IPv6 a Security Nightmare? originally appeared on About.com Wireless / Networking on Sunday, August 8th, 2010 at 05:15:43.Permalink | Comment | Email this
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');document.write('08-06-2010 01:36 AM
'); document.write('San Francisco City Network Admin Sentenced to Prison - Fair?
'); document.write('"There are two sides to every story" or so the saying goes. In 2008, criminal charges were brought against a network administrator employed by the City of San Francisco, California (USA). Cisco CCIE certified Terry Childs was found guilty of "computer tampering" in a jury trial in April and now sentenced this past week to four years in prison. Terry\'s case centers around whether he wrongly denied his superiors at work access to network passwords and otherwise maintained excessive personal control over government-owned properly. The situation could have been handled better around. Does the punishment fit the crime? → More - Terry Childs Sentenced to Four Years (sfweekly.com) → See also - A Jailhouse Interview with Terry Childs (Feb-2009) → See also - San Francisco\'s Rogue Network Admin Charged (Jul-2008)San Francisco City Network Admin Sentenced to Prison - Fair? originally appeared on About.com Wireless / Networking on Friday, August 6th, 2010 at 01:36:36.Permalink | Comment | Email this
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');document.write('08-04-2010 03:06 AM
'); document.write('How Fast Will Your Internet Be in 10 Years?
'); document.write('You may think you have fast Internet service today. Or you may have resigned yourself to a future of agonizingly slow connections. In the U.S., at least, the range of Internet speeds available to homes varies greatly depending on location. Will it always be this way? Newsweek\'s Ryan Tracy sampled a few of today\'s predictions for what U.S. Internet speeds will be ten years from now and leaves us to draw our own conclusions. My thoughts on the future: variation from location to location will be as huge as ever assume your connection will carry 10 times as much network bandwidth at home as you have now (unless you move) and 50 times more when roaming we aren\'t going to need as much of this bandwidth as many seem to think → More - How Fast Will Your Internet Be In 2020? (newsweek.com) → See also - Are All Internet Providers the Same?How Fast Will Your Internet Be in 10 Years? originally appeared on About.com Wireless / Networking on Wednesday, August 4th, 2010 at 03:06:11.Permalink | Comment | Email this
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');document.write('08-02-2010 02:46 AM
'); document.write('Next Up for Wireless - 3D Video
'); document.write('Streaming video over a wireless network is a challenging technical problem that requires both high bandwidth and low latency. So what could be harder than that? Try 3D video over wireless. While real products aren\'t ready for prime time yet, a recent demo from technology vendor Animon shows that it\'s coming soon enough. → More - Amimon Prototype Streams 3D 1080p Video Without Wires (hothardware.com)Next Up for Wireless - 3D Video originally appeared on About.com Wireless / Networking on Monday, August 2nd, 2010 at 02:46:04.Permalink | Comment | Email this
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');document.write('07-30-2010 04:40 AM
'); document.write('Why the iPhone 4 Death Grip Doesn\'t Always Work
'); document.write(' The recent Apple iPhone 4 Antennagate controversy put a bright public spotlight onto an technical issue of wireless networking well-known to engineers for many years. Called attenuation, the concept is an often temporary loss of signal strength caused by wireless interference or physical obstructions. Wireless radios like those used in either Wi-Fi networking gear and cell phones are generally all susceptible to attenuation, but the extent of the problem varies unpredictably depending on many factors like the orientation of antennas, air temperature and humidity. In the case of an iPhone "death grip," even very small changes in position of a person\'s hand on the phone, and how dry or moist it is, greatly affect the extent of attenuation. → See also - Did Steve Jobs Send the Wrong Message at Antennagate Event? (macs.about.com) Apple iPhone 4 Goes on Sale (Auckland, NZ) - Graphic: Hannah Johnston / Getty ImagesWhy the iPhone 4 Death Grip Doesn\'t Always Work originally appeared on About.com Wireless / Networking on Friday, July 30th, 2010 at 04:40:52.Permalink | Comment | Email this
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