The HTML language allows insertion into the page stored on one server, image on another. The browsers have the tools to know on which server there is an image.

Sometimes, PC users might wish to install your own FTPserver, which aims to create access to downloading any information. For this desire to have the necessary theoretical knowledge about networking and filesharing and some software package.

Domain (or domain name) is the name of the resource in the Internet address of the site on which it will come visitors. Domain is a unique and necessary for any resource.

Surgery you resume the computer from the domain is a standard procedure in the Microsoft Windows operating system and can be performed by the user without additional software, provided have administrator access.

Communication between the nodes in the network manage network protocols (logical interfaces) of different levels. Transport Protocol TCP establishes a connection between the host client and the node server and monitors the reliability of forwarding data packets. Data is exchanged between applications that are installed on the computers. The network port is a relative concept, a number that is assigned to the application that the transport Protocol knows where to direct packets. This number lies in the range from 1 to 65535.

IPaddress is present in every computer that has Internet access. It is needed in order to count the number of unique users of websites. Find out the IPaddress of another's computer via social engineering techniques and web service iplogger.

Sometimes a user may encounter blocking by ip and it will need to change it. Someone may have to delete cookies to make the site didn't recognize him at the next visit. There are several ways how to do it.