In protecting access to internal networks from the outside, sometimes we need to look at just what is occurring on the inside to get a good picture of what is going on. In particular, I want to focus on in this post are web-based remote access services. Don’t get me wrong – these services are great – I support a lot of my family with services like LogMeIn’s Free product. I like these tools because they are incredibly easy to use, they always work, and they work with any Internet connection. This is where my issue starts to take shape.

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The Terminal Services Gateway is simply a HTTPS-based connection for remote desktop. It does this by providing native encryption, using port 443, allowing enhanced logging, policy configuration, and centrally controlling the remote desktop connections. The Terminal Services Gateway is a new role that is made available with Windows Server 2008, and it can provide some features that network administrators may be excited to use.

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In an era of slashed IT budgets, David Davis looks at several lower-cost and entry level options of implementing VoIP, including those from Cisco.

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Netsh is one of my favorite commands for Windows for networking information, changes, automation, and management. Yes, all of those! I’ve covered netsh here a number of different times on topics like scripting out a DHCP reservation, setting a port policy, and 10 things you should know about netsh. With every release of Windows, there are more contexts added to netsh since its initial release in Windows 2000. There are now 21 network contexts which focus on everything from a DHCP server, network access protection (NAP) client, network policy server, routing, and windows firewall.

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Untangle version 6 brings new featues and a smoother interface to the popular SOHO gateway product. The install remains simple, but there is no upgrade from version 5 installations at this point. This TechTarget blog post summarizes the new features of this release.

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David Davis points out the dumb things you can do to mess up your Cisco router and how to fix them. He also lists some important resources for each step to give you even more detailed instructions.

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Microsoft’s NTttcp and NetCPS offer a quick and easy way to gauge the peformance of a network between two hosts in a listener and sender configuration. Rick Vanover introduces you to these two handy tools.

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One of the basic parts of your network infrastructure is, of course, your power supply. It’s as basic as you can get, but you can’t afford not to understand how your systems are powered and what kinds of problems to look out for.

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Consultant Brad Bird takes a look at NTFS file permissions and their default application. Make sure you understand what each of them includes and how they are inherited through the hierarchy to close up security gaps.

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In this week’s blog, I want to go through a few handy use cases for iperf via the command line. Before we get too far into these examples, a quick tip to use for future reference is that if you can build your command in the Jperf gui to get the command syntax built instead of command line iteration trial and error.

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