Tips for Securing Your Home Router
Seemingly minor and easily overlooked settings can still have profound security implications. Here are some steps you can take to make sure your wired or wireless home router — and by extension, your network — is as secure as possible.
Most Popular Reviews
Microsoft Windows Home Server
If you have a home network, you'll welcome the easy file sharing, remote access and the image-based backup features of Windows Home Server.
MikroTik's The Dude
This free tool delivers many of the same capabilities that you'd find in pricey network monitoring tools. As long as you don't mind tinkering, The Dude is a decent network utility that should be worth the download.
Linksys WPC11 Instant Wireless Network PC Card
Author: Tim Higgins Review Date: 12/14/2000
- Decent speed - Low price - 64 and 128 bit encryption!
- Monitoring utility lacks features and responsiveness
Linksys' entry into the rapidly crowding 802.11b PC card arena is the WPC11. It uses the Intersil Prism II chip set and has a non-detachable, unmovable antenna. The antenna module is not as large as, say, the Buffalo Technology PC card's, but will still interfere with another PC card above it.
There are two LEDs on the antenna section, "Link" which shines steadily when the card has a wireless network connection and blinks when it loses signal, and "Tx/Rx" which constantly flickers faintly, and flickers brightly when data is sent or received.
Drivers for Win95/98/NT/ME and 2000 come on a floppy. There's no mention of support for other OSes. A second floppy contains the Wireless LAN Configuration Utility. The printed user manual describes the installation process for each of the above Windows variants, and the install onto my Win98SE Compaq 1650 laptop went smoothly. But setup can be a little puzzling, especially if you haven't done an 802.11b setup before.
The manual does not tell you exactly how to set each driver Property for a card-to-card (AdHoc) or card-to-Access-Point (Infrastructure) network. See this page if you need help configuring the card to work with an Access Point, or this page if you are trying to get a card-to-card network working.
Tip: At the end of the install be patient and wait (I think it's over a minute) until your computer reboots. I didn't the first time and had to redo the install.
If you have the Linksys WAP11 Access Point, you'll find that it and the WPC11 are not shipped with compatible channel or ESSID names. So at minimum, you'll have to change the settings on one or the other so that they're the same. Neither User Guide tells you to do this, however!
Are we linked yet?
All wireless client cards need a way for you to change settings and to monitor connection status and quality of connection. Linksys uses Neesus Datacom's Configuration Utility, and I didn't care much for it.
The Utility sits in the System Tray and can be opened with a click. The tray icon is either Green or Red depending on whether it thinks that you have a valid link but doesn't indicate signal strength like other monitoring utilities I've tested. You can set the card's basic configuration either through the Advanced Network Adapter Properties (accessed via the Windows Network Control Panel) or the Linksys Utility Configuration tab as shown below (click on any image to bring up a full-sized view).
The Link Info tab is disappointing, and I found it to be misleading during my testing. In some of my test locations, the Link Info window told me I had no signal, but I still had a network connection and was even getting good throughput!
WEP Encryption setup can be done either by entering a up to 32 character text string or by manually entering the Key character pairs There's no information in the manual as to what valid/invalid "characters" are for the pass phrase. And no guidance for manually entering a key, either! So you don't know whether you can enter numbers, hexadecimal characters, or even alpha characters (I doubt the last option). Forget the Help button, since it brings up "No Help available" for every tab. See this page if you need help setting up WEP.
I was at first puzzled by the 128 bit WEP option, since the WAP11 Access Point only provides 40/64 Bit keys. However, Linksys confirmed that the WPC11 supports 128 bit WEP! (And I confirmed that Wappy's radio card is not the WPC11!)
UPDATE 12/14/00! Linksys says that the 128bit encryption is "having some issues" and recommends using only the 40/64 bit setting until new drivers are posted.
The Encryption page in the User Guide needs work. It talks about 40 Bit encryption while the screen shot shows 64Bit, and has inaccurate procedures. WEP is tough enough to get right without bad info. Linksys, please fix this quickly!
I tested the WPC11 with the WAP11 Access point, so these results are the same as published in that review:
The throughput numbers are the highest that I've tested so far, and I was a little suspicious that Qcheck was being too optimistic. So I also tried timing some large file (approx 20MByte) transfers and measured between 38 and 41 seconds for a 19.2MByte file, which equates to a throughput between 3.8 and 4.0Mbps. Very respectable. I have no explanation for why Condition 3 gave the worst performance... it's usually Condition 4 that most products have problems with.
Linksys has produced a little more of a scene-stealer with the WPC11 than with the WAP11 Access point. Those "rabbit ears" on Wappy may be cute, but the WPC11 delivers 64 or 128 bit WEP encryption (once they get the problems fixed and issue new drivers, that is...)and fast performance for as low as 118 bucks! Yikes! Too bad they couldn't have gotten a better configuration and monitoring utility to go along with such good price/performance!
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