How is opendns free

It's true, they did this a few years back. Alex You're welcome. We don't have people searching for porn at work, but it is easy to mistype something and get a page they didn't want, and so far it has done a good job of that.

I was just able to create a "Premium" account for free. No mention of any cost whatsoever. I looked at their Umbrella service, and that is expensive. We'll see what happens. You don't get the granular filtering like you would with a paid account. It's still better than just using root hints. BillKindle: Isn't Premium the same service that we already have and the one that they are shutting down for business use?

You're still going to be able to use the IP addresses, but you lose the additional control. They are pushing people towards the Umbrella product. I use OpenDNS only for the caching and I know that they are filtering nasties anyways, not to mention is highly redundant. I could. They did something similar a few years back, and they limited free accounts to only a few IP addresses.

BillKindle: The problem with us that multiple entities of our corp use OpenDNS and sign up with different e-mail accounts but the same domain.

We'll give it a shot anyways, but NortonDNS seems like a feasible solution. I might also use Sonicwall filtering services, but need to check with our Dell rep as to the costs. Technically an IP address is a 32 bit b inary dig it binary number. For example, when going to www. For simplicity sake, an IP address is written in decimal rather than binary. To make it especially simple, clumps of eight bits are converted to decimal and the four clumps are separated by periods.

Thus, the standard way of representing the above IP address is As proof, enter this IP address in the address bar of your Web browser as shown above. You will end up at cnet. Just as people have both names and phone numbers, computers on the Internet have both names www. DNS resolution can be thought of as a telephone book. It is the process of converting the name of a computer to its IP address.

DNS Domain Name System is a huge distributed system that functions amazing well, especially considering the initial design predates the Internet as we now know it by many years. When your computer goes to www. The translation technically DNS resolution happens so quickly and transparently you are not aware of it.

When you first connect to the Internet, you are assigned a pair of DNS servers. Should one fail, your computer automatically tries to use the other one. Sample XP output from this command is shown below. OpenDNS provides excellent instructions for doing this. Running DNS servers is not a trivial thing--there are many configuration options that need to be understood and correctly set up.

In addition, speed and redundancy are critical issues. A cable TV company or a telephone company may not have the in-house expertise to do this well. Click the settings tab and click the add a network button. Once you do that, you should see the screen below where you can select your network you just added. After selecting your network, you will see the configuration page. The first category is web filtering options.

OpenDNS has default levels you can select however you can also click customize to see the category options. The next two screenshots show the default levels and customization options.

The next option is for enabling security protection. These features can be enabled by clicking the one you like as shown. The Customization section is the message that is shown when OpenDNS blocks a security or web content filtering violation. Stats and logs permits OpenDNS to store data for reporting purposes. Once you choose your settings, you need to validate your network.

This is done by clicking the confirmation email that was sent to you once you added the network. If you lost that email, you can resent it using the link below. You must be behind the network you are protecting to validate things.