The Windows Operating systems use SIDs to represent all security principles. SIDs are just variable length strings of alphanumeric characters that represent machines, users and groups. SIDs are added to ACLs(Access Control Lists) every time you grant a user or group permission to a file or folder. Behind the scene SIDs are stored the same […]
Category: Networking
What is Port Forwarding?
Port forwarding, or tunneling, is the behind-the-scenes process of intercepting data traffic headed for a computer’s IP/port combination and redirecting it to a different IP and/or port. A program that’s running on the destination computer (host) usually causes the redirection, but sometimes it can also be an intermediate hardware component, such as a router, proxy […]
What is VPN?
A Virtual Private Network (VPN) is a network technology that creates a secure network connection over a public network such as the Internet or a private network owned by a service provider. Large corporations, educational institutions, and government agencies use VPN technology to enable remote users to securely connect to a private network. A VPN […]
What is Network Address Translation?
Network Address Translation (NAT) is the process where a network device, usually a firewall, assigns a public address to a computer (or group of computers) inside a private network. The main use of NAT is to limit the number of public IP addresses an organization or company must use, for both economy and security purposes. […]
What is DHCP?
As long as you’re learning about your IP address, you should learn a little about something called DHCP—which stands for Dynamic Host Configuration Protocol. Why bother? Because it has a direct impact on millions of IP addresses, most likely including yours. DHCP is at the heart of assigning you (and everyone) their IP address. The […]
What is a hostname?
A name is a label that is used to distinguish one thing from another. A person’s name, for instance, comprises a set of alphabetic characters that allows a person to be individually addressed. Computers are also named to differentiate one machine from another and to allow for such activities as network communication. Computers have always […]
What is a MAC Address?
Whether you work in a wired network office or a wireless one, one thing is common for both environments: It takes both network software and hardware (cables, routers, etc.) to transfer data from your computer to another—or from a computer thousands of miles away to yours. And in the end, to get the data you […]
Mapping Network Drives
This tutorial will show two ways you can map a network share as a network drive. By mapping a network drive in this fashion, it will have a drive letters just like a local harddrive. This make access more efficient and convenient. Some programs that are unable to use network shares will function when […]