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Annotation of 43BSDReno/libexec/fingerd/fingerd.8, revision 1.1.1.1

1.1       root        1: .\" Copyright (c) 1980 The Regents of the University of California.
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                     18: .\"    @(#)fingerd.8   6.3 (Berkeley) 6/24/90
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                     20: .TH FINGERD 8 "June 24, 1990"
                     21: .UC 6
                     22: .SH NAME
                     23: fingerd \- remote user information server
                     24: .SH SYNOPSIS
                     25: .B fingerd
                     26: .SH DESCRIPTION
                     27: .I Fingerd
                     28: is a simple protocol based on RFC742 that provides an interface to the
                     29: Name and Finger programs at several network sites.
                     30: The program is supposed to return a friendly,
                     31: human-oriented status report on either the system at the moment
                     32: or a particular person in depth.
                     33: There is no required format and the
                     34: protocol consists mostly of specifying a single ``command line''.
                     35: .PP
                     36: .I Fingerd
                     37: listens for TCP requests at port 79.
                     38: Once connected it reads a single command line
                     39: terminated by a <CRLF> which is passed to
                     40: .IR finger (1).
                     41: .I Fingerd
                     42: closes its connections as soon as the output is finished.
                     43: .PP
                     44: If the line is null (i.e. just a <CRLF> is sent) then 
                     45: .I finger
                     46: returns a ``default'' report that lists all people logged into
                     47: the system at that moment.
                     48: .PP
                     49: If a user name is specified (e.g. eric<CRLF>) then the
                     50: response lists more extended information for only that particular user,
                     51: whether logged in or not.
                     52: Allowable ``names'' in the command line include both ``login names''
                     53: and ``user names''.
                     54: If a name is ambiguous, all possible derivations are returned.
                     55: .SH SEE ALSO
                     56: finger(1)
                     57: .SH BUGS
                     58: Connecting directly to the server from a TIP
                     59: or an equally narrow-minded TELNET-protocol user program can result
                     60: in meaningless attempts at option negotiation being sent to the
                     61: server, which will foul up the command line interpretation.
                     62: .I Fingerd
                     63: should be taught to filter out IAC's and perhaps even respond
                     64: negatively (IAC WON'T) to all option commands received.

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