Wireless Tutorials and Training
Ask the Wifi Guru: Episode 42
Our resident expert explains how to set up a secure SSH tunnel so you can run your favorite email client and surf securely no matter where you're sipping your latte.
Read more...Understanding WEP Encryption Bit by Bit
Wireless technology is confusing enough, but when terminology collides, it can get ugly. We sort out a bit of encryption confusion. Plus, will a wireless network mess with cordless phones? Read more...
Protect Your Wi-Fi Network With Untangle
Untangle can protect an entire network, adding layers of protection for mobile devices and personal computers, providing router and firewall capabilities along with a list of other features including anti-phishing, anti-malware, and even captive portal for your Wi-Fi network. Read more...
MAC Filtering for Your Wireless Network
It's not the be-all and end-all of Wi-Fi security, but MAC filtering can provide a layer of additional protection for your wireless network. Learn when (and when not) to use this measure on top of strong encryption. Read more...
Manage RADIUS for WPA-Enterprise with CIITIX and Linux
Based on Linux, CIITIX-Wi-Fi lets you implement Enterprise WPA or WPA2 encryption on your network with a minimum of fuss and a handy GUI. Read more...
Secure Your Network (and Clients) Against Hole 196
The "Hole 196" vulnerability affects Wi-Fi networks of all sorts, including those using robust Enterprise encryption. Here's how to protect your WLAN and keep your mobile fleet safe. Read more...
Automate Penetration Testing with Linux and Fast-Track
Don't let the bad guys run pen tests on your network before you do. Read more...
Enterprise-Grade Security for Your Home WLAN
We've been over the basics time and time again. Here's how to up your Wi-Fi security to some of the same standards the big companies aim for. Read more...
How to: Protect Your Network
Industry experts recommend 15 things to protect your network, including wireless device control. Read more...
How to: Secure Your WLAN
Securing a wireless network isn't hard, so long as you know what you're doing. Trusted expert Michael Horowitz sifts through the current misinformation to offer clear guidelines for protecting your Wi-Fi network. Read more...
How to: Use Wi-Fi Safely When Traveling
One expert offers advice for business users who want to protect corporate data while also taking advantage of airport, airplane, and other public hotspots while traveling. Read more...
How to: Use FreeRADIUS for Wi-Fi Authentication (Part 2)
In part two, we open the CentOS firewall and configure our access points. Then we distribute the CA file to all the computers and configure them with the encryption and authentication settings. We'll also learn to set up SQL. Read more...
How to: Secure Your Mobile Workforce for Less
Mobile security is essential, but it need not be expensive. We offer ten ways to minimize threats to your laptop at little or even no cost. Read more...
How to: Use FreeRADIUS for Wi-Fi Authentication (Part 1)
Wireless networks for businesses, including smaller ones, should always be protected with the enterprise mode of Wi-Fi Protected Access (WPA or WPA2), but it requires a RADIUS server. Learn how to set one up. Read more...
How to: Run OpenVPN on Windows, Mac, and Linux/Unix
Learn what it takes to get an OpenVPN Ethernet tunnel set up between a laptop computer and an office or home machine acting as an OpenVPN server. Read more...
How to: Use Twitter (More) Safely
As with most things, some common sense and basic precautions will significantly reduce your risk of encountering nefarious evildoers on Twitter. (In other words, says Kenneth van Wyk, don't be a twit and you'll likely be fine.) Read more...
How to: Surf Safely at Public Hotspots
Since Wi-Fi signals are wireless, people can essentially grab your data from thin air. However, there are many preventive measures you can take to ensure your files and sensitive information stay private. Read more...
Wi-Fi Vulnerabilities Exposed
What can Wi-Fi eavesdroppers see on unsecured networks? The sites you visit, the files you transfer, and your e-mail, for starters. See what's at risk and learn how to protect yourself. Read more...
Tip: Securing iPhone E-mail
Kenneth van Wyck addresses some of the Wi-Fi-related e-mail security concerns iPhone users face. Read more...
How to: Set Up Secure Remote Access with OpenVPN
OpenVPN is a budget-friendly and open-source way to offer road warriors a secure connection back to home base. Read more...
How to: Prevent, Detect, and Recover from Router Worms
Psyb0t, a botnet that attacks DSL modems and routers, can cause some pesky issues. In this tutorial, we reveal the types of routers that are susceptible, and explain how to detect, prevent, and get rid of this and other router worms. Read more...
How to: Safely Share Your Wireless Internet With CoovaAP, Part II
In this two-part tutorial, we explore CoovaAP firmware and its hosted services. In Part I, our expert explained how to turn a simple router into a hotspot gateway. In Part II, he outlines how to finish setting up the internal hotspot features. Read more...
How to: Safely Share Your Wireless Internet With CoovaAP, Part I
In this two-part tutorial, we explore CoovaAP firmware and its hosted services. In Part 1, our expert explains how to turn a simple router into a hotspot gateway, set up a captive portal with different registration modes, and configure bandwidth limiting. Read more...
How to: Sniff Wireless Packets with WireShark
WireShark is free software that sniffs packets on wireless networks. Learn tips for configuring and using this tool when analyzing and troubleshooting 802.11 wireless networks. Read more...
How to: Get Secure Remote Access with SSL VPNs (Part 2)
In part two of this five-part series, wireless security expert Lisa Phifer explains how to deploy an SSL VPN appliance. Read more...
