Protocol

Transport protocol for this user: PPP, SLIP, or Frame Relay.

Point-to-Point Protocol (PPP)

A protocol that allows a computer to connect to the Internet with a standard dial-up telephone line and a high-speed modem and enjoy most of the benefits of a direct connection, including the ability to use graphical front ends such as Netscape.

Serial Line Internet Protocol (SLIP)

A protocol that is used to connect computers running IP over a standard telephone line and a high-speed modem. SLIP is being superseded by PPP but is still used.

Frame Relay

A fast method of packet switching that uses small packet sizes and little error checking. See the PortMaster Configuration Guide for information on Frame Relay connections.

X.75-SYC

X.75 support for European ISDN.