资料来源 : Free On-Line Dictionary of Computing

FreePPP
     
         The latest incarnation of {MacPPP}.  FreePPP
        continues to be used by many MacOS users as an alternative to
        {Apple}'s {TCP/IP} stack.
     
        {Home (http://www.rockstar.com/ppp.shtml)}.
     
        (2000-11-25)