I present a piece of ASP/VBScript code (feel free to use it if it would help you). This code can compare an IP address to a range of addresses and return TRUE if the ip in question is within the range ...

I am one of the developers of a website that lets people buy electronic phone cards. We are having real issues with people in the middle east buying multiple phone cards with a stolen phone card and ...

When you use IPTables to create a firewall for your company's Web server, one way to prevent certain users from accessing the server is to block their IP addresses. Use the "iptables" command to ...

Let’s assume that you have a small office with ten or fifteen computers, and all the machines have different IP addresses. Or, let’s presume that you have a big office and you have more than fifty or ...

Every machine on the the Internet has a unique number assigned to it, called an IP address. Without a unique IP address on your machine, you will not be able to communicate with other devices, users, ...

An IP address is a way for every device on a network to be seen. Without IP addresses, it would be impossible for those devices to be located. Think of your computer's IP address like your house's ...