What is DNS ? well it means “Domain Name System” and it relates to the fact that no matter how good our memory is, it is easier for us to remember names than numbers. Since any computer/device that is attached to a network, no matter if the network is local or external (Internet), that computer has an IP address (which is how any device is being recognized and attached to the network). Since it might be easy to remember one address (maybe), if you have more than one computer on the network this trick might become a bit complex, so the solution is to turn network IP’s into names. › Continue reading…

When you want to protect your internal network, either your business network or your home network and you want to install the firewall yourself, there is an option to use a Linux firewall application. Linux has many benefits about installing applications by yourself, of course you need to learn some Linux to do so, but that is one of the reasons why it might be a good idea to get to know Linux. You can install almost anything that you might need, and it’s free. › Continue reading…

Active Directory is a package designed by Microsoft to manage an organizational network, this package is using different tools to organize and manage the corporate network. Basically before we get into specifics, the Active Directory is creating a managerial environment, where all of the network clients (end users) are connected to it, and anyone who connects to it is registered and monitored by the Active Directory system. That enables it, to manage the end users, what they are allowed to do, what they can’t, which resources will be available to whom. It creates groups and give those groups policies (group of rules) which binds that group into those rules, and every end user that is defined within this group is bind by it rules, and accordingly can or can’t do things within the network. › Continue reading…