dip: dip (Dialup IP connection handler) dip: dip: Uri Blumenthal's version of Fred N. van Kempen's DIP utility. DIP dip: handles the connections needed for dialup IP links, like SLIP or dip: CSLIP. It can handle both incoming and outgoing connections, using dip: password security for incoming connections. dip: dip: This is seldom used these days, as most dialups use PPP, not SLIP. dip: It's still useful for running IP over a serial connection, though. dip: dip: