I answered a question recently from someone who was using WEP (the so-called “Wired Equivalent Privacy”) encryption on their wireless network. They were considering changing to WPA (Wi-Fi Protected Access). The real answer is that they need to change to the second generation of WPA — WPA2.

The biggest question in their mind was whether they’d have to change the wireless passphrases on all their computers (quick answer: yes).

Why change? WEP is old, way, way old in computer terms. When it was first released, it was effective.

But, by 2004, second-generation WEP-cracking tools were widely available. In an article, SmallNetBuilder reports on a 2005 demonstration by a team of FBI agents who were able to crack a 128 bit WEP key in about three minutes.

WPA replaced WEP as the choice for encryption. Then, it fell prey…

Continue reading Router Encryption — Increasing Wireless Security

Ed Pilarczyk wrote last week to ask:

Hey Terry,

As a long time subscriber, I have to say that you continue to do a GREAT job. Thanks for all your hard work!!

Two things. First, I can find no way to register for any of your blogs. I found the link to log in…but not sign up. Please advise.

Second, my OS is Vista Ultimate x64 sp1, on an HP with a Core2 Quad, with 6gb ram. which I have be using for almost one year without any problems or complaints. Several days ago my windows updater said sp2 is available to upgrade. What I have found on the web is mostly negative, or at best inconclusive.

What is you take, should I or shouldn’t I upgrade to sp2? Thanks again, Ed P.

I wrote back to tell Ed…

Continue reading Blog questions & Vista SP 2

In How to Fry a Wireless Router or Two, I wrote about my brother’s experience frying a pair of wireless modems in a lightning storm. Last week, I talked about what had happened, why it happended, and what he could do to prevent the problem in the future (this was the third set of routers, plus he lost a computer motherboard in that storm).

This week, we’ll look at his network layout, and why he could not get the network to set up properly.

To summarize the situation, he has an office an a shop, with computers on his network in both locations. Some connect via wired connections (Ethernet), while others use wireless connections. His Internet cable comes into the office first.

In the past, he first used Linksys wireless routers. Then DLinks. This time, he chose Belkin wireless routers.

The incoming cable (standard cable-company RG6 coaxial cable) connects to the cable modem.

Then, the cable modem connects to the WAN (wide area network “Internet”) connection on the router.

The local wired ports on the router…

Continue reading How Can One Cable Modem Work With Two Wireless Routers?

Longtime subscriber Peter wrote recently from the U.K. to ask about an Outlook Express problem he’s having:

Hi Terry, Many thanks for the latest issue of your newsletter, which always arrives here in the UK on a Sunday evening – a great time for reading it through.

My question is: Do you know a way of permanently stopping Outlook Express from compacting all its stored files? Every so often OE pops up a dialog asking if it can do this and if I let it go ahead it then makes a complete pigs mess of all my folders.

Very old deleted e-mails suddenly reappear in the Inbox folder bolded as unread, with dates months before the real latest message, although they drop in after it – so it has apparently also managed to mess up the date sort order, something I thought a computer couldn’t do.

Some other stored messages…

Continue reading Compacting Folders in Email Programs

I’ve been asked several times about Microsoft Silverlight — what is it and do I need it.

Silverlight is Microsoft’s competition for Adobe Flash Player. It’s designed to play videos and allow interaction with the program.

My initial thoughts were that I didn’t need it. I had no application that areqired it and I did not need yet another video display system on my computer. I already had Windows Media Player which could handle video streaming. I already had JavaScript and ActiveScript (Microsoft’s name for its JavaScript interpreter in Internet Explorer). I already had Adobe Flash Player. Wy did I need Silverlight?

I managed to do without Silverlight all through the first version, which was released in 2008. However, in early 2009, I finally had to install it — it was required for one of my new applications.

Continue reading What is Microsoft Silverlight?

Reader Olle wrote to ask a remote access question:

Hi! I read your article about editing videos remotely with GoToMyPC. I\’ve tried doing that but it doesn\’ work. I cannot even play a vidoe and see the video remotely. But I can do everything else like trabsfereing files and more. Is it a setting issue? I would Like to ask you kindly to guide me on this issue. I appriciate an response.
Thank You Kind regards Olle

Remote access to your own PC, or to other PC’s you manage on your own home network, can be a great way to do many tasks.

On my home network, since I use firewall programs on each PC (all are using Sunbelt Personal Firewall) and the home network is segregated from the Internet by my cable/DSL router (a Linksys BEFSR41), I don’t hesitate to use non-encrypted remote control software within my network. I use the free versionn of RealVNC to do this.

On the other hand, for remote access across the Internet, I think you’d have to be crazy to do that with an unencrypted connection (which possibly could be monitored by someone else!). For remote access across the Internet, I’d choose GoToMyPC because of its speed and encryption. You can try a 30 day free trial of GoToMyPC (for one PC) or GoToMyPC Pro (for multiple PC’s). There are also paid versions of RealVNC that include encryption, so they’re another option.

Continue reading Remote Access Software Question

A reader wrote me to ask if I would use a web proxy anonymizer service. I wrote back to tell him that my answer was a simple “No.”

It boils down to two things: (1) if you’re afraid of a web site operator knowing who you are, you shouldn’t be going to the web site, and (2) think of a web proxy anonymizer as handing all your web traffic to an intermediate stop on the way to and from your web destination.

I know nothing specific about the particular proxy service he mentioned. My comments below are general comments about the capabilities of proxies, even ones providing their service to anonymize your web surfing, and are not an accusation of improper behavior by any of them or any particular one.

In normal Internet use, different data packets to and from your computer and your web destination can take different routes from your computer to the destination.

Continue reading To Use a Web Proxy Anonymizer or Not…