What is GRE? Generic Routing Encapsulation, or GRE, is a protocol for encapsulating data packets that use one routing protocol inside the packets of another protocol. “Encapsulating” means wrapping one data packet within another data packet, like putting a box inside another box. GRE is one way to set up a direct point-to-point connection across a network, for the purpose […]
What is Port Forwarding? A port is a communication endpoint in a networking system. You can recognize a port by its 16-bit unsigned number, and each of them specifies a particular process for a different network service. It is always associated with an IP address and a communication protocol. Each of the port sends its data through a networking device […]
What Is a VPN? In simple terms a VPN (Virtual Private Network), refers to a group of computers, operating together over a public network—i.e., connected to the Internet. When connected to a VPN, what usually happens is that you launch a VPN client, then you log in, the computer then exchanges trusted keys with a server that is quite far […]
An IP address, also known as an Internet Protocol address, is your link to the internet world. It is used as a network address for your system, making it easier for the internet to locate you, send you your data emails, etc. 98% of Internet users do not know what an IP address is because even though it is like […]
What is OpenVPN? OpenVPN is a virtual private network (VPN) system that implements techniques to create secure point-to-point or site-to-site connections in routed or bridged configurations and remote access facilities. It implements both client and server applications. OpenVPN allows a single point of participation in the establishment of a VPN to use a shared key, electronic certificate, or username/password for […]