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networks
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Image Gallery
Make network problem solving easier with these five apps
June 5, 2013 8:01am PDT
Web-based networking toolkits often offer numerous ways to test routes, domains, and other issues that will directly affect your network.
2 Latest comment by Jason S from Spiceworks
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Blog Post
List open ports and listening services
April 15, 2008 8:47pm PDT
You should turn off any services you don't actually need so that they will not become avenues of attack for security threats. Different systems will have different services running by default,...
2 Latest comment by jackhard
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Blog Post
Five web-based network troubleshooting tools
June 5, 2013 8:16am PDT
Web-based networking toolkits often offer numerous ways to test routes, domains, and other issues that will directly affect your network.
3 Latest comment by highermath
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Blog Post
Five free network monitoring tools
March 28, 2012 8:49am PDT
Among the wide array of network and system monitors, you'll find several that do what the pricier tools do -- for free.
22 Latest comment by Ofena
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Blog Post
10 commands you should master when working with the Cisco IOS
June 13, 2008 6:33am PDT
Becoming proficient with the Cisco IOS means learning some essential commands. This quick reference describes 10 commands you'll need to rely on when handling various configuration and...
12 Latest comment by career@...
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Articles
IP subnetting made easy
June 28, 2006 7:00am PDT
IP network engineers need a solid understanding of how IP subnetting works--yet the subject is often taught so poorly, students wind up completely baffled. George Ou has developed a simple,...
93 Latest comment by Twidget0831
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Blog Post
10+ Windows 7 services you may not need
March 30, 2012 11:58am PDT
If you evaluate your organization's need for certain Windows 7 services, you may find that a number of them can be safely disabled.
75 Latest comment by jadkaizen@...
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Blog Post
10 Windows 7 commands every administrator should know
December 27, 2012 12:00am PST
The command line is often the best place to resolve Windows 7 desktop problems. These basic commands will help speed your troubleshooting tasks.
18 Latest comment by bertleen
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Blog Post
BGP and Internet security: Is it better to be lucky or good?
June 10, 2013 9:11am PDT
Does "it's not a problem until it actually happens" apply to Internet security? Michael P. Kassner interviews a networking expert who's wondering about the same thing.
7 Latest comment by wdewey@...
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Blog Post
Securely connect your Android smartphone via VPN
August 15, 2011 9:06am PDT
Deb Shinder explains how you can use a VPN to connect your Android smartphone to your home or work network.
5 Latest comment by alifaizan
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Blog Post
Five free, dead-easy IP traffic monitoring tools
September 21, 2011 1:14pm PDT
When you really need to know what's going on with your network, give one of these free monitors a try.
10 Latest comment by 100coconuts
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Blog Post
How do I... Install and configure a DNS server in Windows Server 2008?
April 15, 2008 12:05pm PDT
Without DNS, computers would have a very tough time communicating with each other. However, most Windows administrators still rely on WINS for name resolution on local area networks and some have...
1 Latest comment by HAL 9000
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Blog Post
Five free wireless networking tools
June 25, 2012 10:40am PDT
Monitor, secure, and optimize your Wi-Fi network with the help of these handy apps.
10 Latest comment by D-howie
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Blog Post
Troubleshoot Wi-Fi connections on your Android phone
March 4, 2011 12:54pm PST
Wi-Fi connections can make using an Android phone a more robust experience. If those wireless connections aren't working, here are some Wi-Fi troubleshooting tips for users with Android phones.
9 Latest comment by psrai
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Blog Post
IPv6 in action: How Mythic Beasts does it
June 5, 2013 6:26am PDT
The transition to IPv6 is slow for most organizations but the hosting company Mythic Beasts has embraced the new IP protocol for its network. Take an inside look at how it works.
2 Latest comment by Sebastian.Blaziak@...
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Blog Post
Send files between Android and iOS with Fast File Transfer
January 25, 2013 1:58pm PST
Will Kelly shows us how to transfer files between Android and iOS devices using the free and amazingly simple Fast File Transfer application.
9 Latest comment by perkinmerchant
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Blog Post
Quick Tips: Flush the ARP cache in Windows 7
May 12, 2011 11:44am PDT
Jack Wallen shows you how to clear the Address Resolution Protocol cache and how to manage that cache with a few command switches.
6 Latest comment by seanferd
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Articles
Configure DHCP on a Cisco router or switch
May 5, 2005 7:00am PDT
Many administrators forget—or don't even realize—that they can configure Dynamic Host Configuration Protocol (DHCP) on Cisco IOS routers and switches. David Davis discusses the pros and cons of...
43 Latest comment by thedzaho
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Blog Post
10 tips for troubleshooting DNS problems
November 24, 2010 1:55pm PST
Figuring out what's wrong with DNS will go faster if you have a set of troubleshooting steps to follow. Brien Posey shares his approach to isolating the cause of DNS problems.
15 Latest comment by dwebb5@...
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Blog Post
Top four Android voice recorder applications
May 23, 2013 12:48pm PDT
After combing through numerous Android recording apps, Jack Wallen lists his top four favorite and why.
6 Latest comment by briesmith
