Networking

Google Earth IP Addresses

March 22, 2012

I often have to configure a firewall rule to specifically allow Google Earth so if you find yourself in the same situation here are the IP addresses that allow communication. Domains Note you can run an iplookup for these 3 subdomains: kh.google.com geo.keyhole.com auth.keyhole.com but there are still a few IP addresses needed that aren’t [...]

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A Remote Wonder

September 28, 2011
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Let’s keep this short and very sweet. I’ve tried every remote support and screen sharing technology on the planet and I’ve discovered a new favorite. So whether you need to help Mom block people on Facebook or share a presentation with 200 of your closest friends look no further than Join.me Simply stated: I’ve never [...]

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Community Potential

September 26, 2010
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There are moments in life that are difficult to fully appreciate. It’s that sudden realization you are part of a beautiful synthesis of people, technology, and social networking that has a potential far beyond anything you previously considered. It’s the moment when you realize the power of community. The day Arkansas got smaller Yesterday, I [...]

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Adios I.T., the cloud is here

January 14, 2010
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Yesterday Network World published a ground breaking prediction by Gartner, “20% of businesses will get rid of all I.T. assets as they move to cloud” Outlandish statements make for good headlines but as a prediction it’s woefully ignorant and incomplete. I assume the truth doesn’t translate into pageviews. The truth is that I.T. infrastructure is [...]

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If I could tell all SMBs one thing

January 6, 2010
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Businesses are cutting costs and trimming tech budgets. Daily I see small business owners express shock at the cost of I.T. solutions. I’m a friend and advocate for private business and I’m a fan of people making money but I’m tired of explaining the price of tech. If I could only share one insight with [...]

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7 things you should do to every switch

June 26, 2009

So often I see organizations purchase a new switch and throw it into production without any configuration. This is poor management and terribly insecure. Therefore I’m going to offer my quick guide to 7 things you should do to every switch. This is by no means a complete guide to security or best practices this [...]

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A History of the Internet

January 7, 2009

I am fascinated by the origins of our present day internet so I am constantly intrigued by efforts to document the net’s evolution. “A History of the Internet” by Melih Bilgil is a brief animated video that documents how several separate international projects collaborated to create a worldwide distributed network. The production quality is excellent [...]

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How to Configure OSPF within your LAN.

December 10, 2008

Over the past year I’ve become a big proponent of using Layer 3 (L3) routing protocols within large LAN networks. There are several benefits to using routing protocols at the LAN level but the driving force behind my support of L3 in the LAN is to mitigate Layer 2 (L2) security attacks. (For more information [...]

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