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10 drawbacks to working in IT

By Brien Posey November 22, 2011, 1:21 PM PST Takeaway: People who are trying to break into IT don’t always know what they’re getting into. This list paints a realistic picture of what may lie ahead. Like most IT pros I know, I occasionally have friends or family ask me to get them a job […]

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How to Subnet a Network

A properly designed subnet can do wonders for the security and performance of a network. The main idea in subnetting is to divide a network into smaller pieces, which we call subnets. Actually implementing a subnet is typically more difficult than simply using the default subnet mask of This usually means that temporary or […]

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How To: Getting VPN to work through NAT firewalls

With the rising popularity of telecommuting and the increasing need to protect their electronic assets, companies large and small have been turning to Virtual Private Networking (VPN). The good news is that many savvy IT departments realize that many of their telecommuting employees share their broadband connections with consumer-grade routers. Those folks have made their […]

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Routers vs. Firewalls

Review of the Basics We’re often asked at SmallNetBuilder what the advantages are of using a “high-end” or “enterprise” grade firewall, such as a Cisco PIX, Juniper Netscreen, etc., over a consumer-grade router. To get a good start on the subject, let’s review a few basics, the first being NAT. I’m sure many of you […]

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