fingerd(8)

NAME
     fingerd, in.fingerd - remote user information server

SYNOPSIS
     finger stream tcp nowait nobody /usr/sbin/in.fingerd in.fingerd
     tcpd finger /usr/sbin/in.fingerd in.fingerd

DESCRIPTION
     Fingerd is a simple protocol based on RFC742 that provides  an  interface
     to the Name and Finger programs at several network sites.  The program is
     supposed to return a friendly, human-oriented status report on either the
     system  at  the  moment  or  a  particular  person in depth.  There is no
     required format and the protocol consists mostly of specifying  a  single
     ``command line''.

     Fingerd listens for TCP requests at port 79.  Once connected it  reads  a
     single  command line terminated by a <CRLF> which is passed to finger(1).
     Fingerd closes its connections as soon as the output is finished.

     If the line is null (i.e. just a <CRLF> is sent) then