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You run anti-virus software on your mail servers and use various other network security tools to keep your users safe. It's time to do the same with your DNS. All OpenDNS features are free. No hardware to buy, no software to install.
We operate PhishTank.com, the world's most trusted source of phishing data. We integrate that data into an intelligence feed on our DNS servers to keep everyone on your network safe from phony sites trying to steal personal information.
You want to secure your network and have control over what resolves. We give you that control by providing the tools to block any website or DNS zone on the Internet, all through an easy-to-use interface.
Safeguard your kids, protect your students, or limit your corporate liability by blocking adult websites. Our adult site blocking solution can be deployed in minutes and provides granular levels of blocking. Did we mention it's completely free?
Prevent people on your network from bypassing the access restrictions you put in place. Blocking Web proxies helps ensure your network remains secure.
We provide a (growing) list of Web content filtering categories to block, but sometimes there is a domain you want to make sure is never blocked, even if it's listed in a feed. Have the final say with our Domain Whitelisting feature.
Understand your Web traffic with intutive stats about your network's DNS. This is your data, and now you can view it like never before. And of course, if you don't want stats, we won't collect any DNS data from you, at all.

If you have a complicated DNS setup and have questions not answered in our instructions, feel free to send us an email, IM or even give us a call. We've got DNS experts ready to help you start using OpenDNS today. We don't outsource this, so expect to talk to some engineering-types when you call. :-)
I have included a big set of sites to give you a flying start with your computer problems. Here are a some sites I included that you can use.
Sites on this list were first published in my free "Support Alert" newsletter. If you would like to stay up-to-date with the latest sites, click here to subscribe for free
</div>Free
Solutions to Common
Windows Problems
Windows
Annoyances offers a very useful set of information on how to
deal
with common Windows problems. Nice set of tips too.
Highly recommended for all users except
raw beginners.
Excellent Windows Resource
Site
The
About
Windows Guide is among the best of the Windows portal sites.
Tips, tricks, troubleshooting and more. Oriented to end-users rather
than tech-heads.
Excellent Free Tech Support
Sites
Subscriber
Ted Green writes:
"Thanks a million Gizmo for telling me
about the Tek-Tips forums. With the help of the forum members I solved
a Windows shutdown problem that was driving me nuts." Note, though,
that Tek-Tips is geared toward experienced users. Beginners may get
better results from the TechSupportGuy forums. Both are free and well
worth trying.
Free Computer Help
"Computer
Hope" is an aptly
named web site offering useful online
resources, a very active set of forums and a free email support
service. I found the forums particularly responsive. Well worth trying
next time you run into a PC problem.
Free Help with MS Word
Here's a site dedicated to tips, tricks and techniques for getting the most out of MS Word
http://www.word-answers.com/Free
Excel Help
If you've got an
Excel problem you can't solve, try the busy forum at
this site. It's free and the folks are very helpful.
Free Outlook Help
Some users just never get the hang of Microsoft Outlook. If you need help, check out this listing of Outlook Web tutorials, most of which are free. These tutorials are not just for beginners; there are some useful advanced guides as well.
http://www.techtutorials.info/emoutlook.html
Fix for Corrupted Office Files
Database of File Extensions
Got
a file with an unknown extension? Need to know what
created it? This'll help.
Free Modem Help
Reader Alex Goode says, "This site is my first
port of call when I run
into modem problems or when I'm looking for modem info..." I've checked
it out and it is as goode as Alex says.
Start-Up Applications
Unplugged
It's frustrating trying to edit the Windows
start-up list because the
filenames themselves tell you little about the program's function. This
free site lists thousands of common startup files along with full
descriptions of what they do plus links back to the vendor's web site.
Top stuff.
Download Missing DLLs
Most
users have experienced a
"missing DLL" error message. This site
provides a free library of DLL files that you can download.
http://www.dll-downloads.com/
Locate Spammers’
Real Locations
These folk provide a free online service where you can type in an IP or URL (web site address) and get the geographical location of the server. They also offer a variety of free tools to allow web sites to customize their web pages according to the geographical location of site visitors .http://www.geobytes.com/FreeServices.htm
Disposable Email Addresses to
Order
Need a temporary email address to give to some
annoying web site that
insists on you registering? Well, simply make up anything and then add
the suffix "@mailinator.com”. For example,
giz@mailinator.com. Then go to the Mailinator website and collect any
email to that account. It's free and you don't even need a password to
get your temporary mail. All mail is deleted after a few hours.
Troubleshooting Wireless
Networks
Despite the
advertising, I can assure you that
installing a wireless
network can be a real pain. If you run into trouble try the excellent
troubleshooting section at this site. The site has some excellent
tutorials as well.
Track Down Windows Errors
Thanks to
subscriber David J. for letting me
know about this site which
allows you to track down solutions to problems in different Windows
sub-systems. The organization of the site is odd but quite effective.
It has about 400 topics arranged
alphabetically.
However some of the topics are
general such as
"Shutdown problems" while others are very specific such as
"sh31w32.dll." Once you select a topic you'll be shown a variety of
resources ranging from Microsoft Knowledge base links to simple fix-it
guides. Overall, an excellent trouble-shooting resource.
How to Fix Your Printer
Yourself
Sick of paying out big bucks to fix simple
printer problems? Then try
repairing it yourself using the resources provided at this specialist
site.
What DLL is That?
Ever wondered what a particular DLL does. Find
out from this useful
Microsoft database.
Send Files up to 1GB for Nix
This is impressive - a free service that allows
you to send a file up
to 1GB to another PC or person. Just type in the recipient’s
email address and upload the file. The recipient is then notified by
email and can download the file anytime within
7 days before it is deleted from the server.
"No passwords to share, no
software to install, no accounts to create, and no full mailboxes.
Start sending now!"
Great PDF Resource Site
If you are looking for Adobe PDF information or
utilities, head
straight for PDFZone. They are currently running an article on the "Ten
Best Free PDF utilities." Here's the link to the article:
Beep Beeeeep Beep
You turn on your PC and all it
does is beep. But what does
the code mean? This site will translate for you.