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Point-to-Point Protocol daemon
Daemon which implements the PPP protocol for internetworking over dialup lines
Point-to-Point Protocol daemon (PPPD) is the daemon that implements Point-to-Point Protocol (PPP). PPP is used to manage network connections between two nodes on Unix-like operating systems. It is configured using command-line arguments and configuration files.
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While it has initially been used to manage only dial-up access, it is also used to manage broadband connections such as DSL, if Point-to-Point Protocol over Ethernet (PPPoE) or Point-to-Point Protocol over ATM (PPPoA) is used. The role of pppd is managing PPP session establishment and session termination. During session establishment, pppd has the role of: pppd terminates a PPP link when: Some newer versions of pppd are also capable of handling Dial-on-demand routing, where pppd sets up a virtual network, captures the packages it receives and establishes a PPP connection and forwards the captured and not-yet transmitted packages over the link.
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