3.6. Understanding Remote Access

One of the primary purposes for having a network is the ability to connect systems. As networks have grown, many technologies have come on the scene to make this process easier and more secure. A key area of concern relates to the connection of systems and other networks that aren't part of your network. The following sections discuss the more common protocols used to facilitate connectivity among remote systems.

Ancient History: the Serial Line Internet Protocol

Serial Line Internet Protocol (SLIP) is an older protocol that was used in early remote access environments. SLIP was originally designed to connect Unix systems in a dial-up environment, and it supports only serial communications.

A very simple protocol, ...

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