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Annotation of 43BSDTahoe/man/man8/fingerd.8, revision 1.1.1.1

1.1       root        1: .\" Copyright (c) 1980 Regents of the University of California.
                      2: .\" All rights reserved.  The Berkeley software License Agreement
                      3: .\" specifies the terms and conditions for redistribution.
                      4: .\"
                      5: .\"    @(#)fingerd.8c  6.1 (Berkeley) 5/23/86
                      6: .\"
                      7: .TH FINGERD 8C "May 23, 1986"
                      8: .UC 6
                      9: .SH NAME
                     10: fingerd \- remote user information server
                     11: .SH SYNOPSIS
                     12: .B /etc/fingerd
                     13: .SH DESCRIPTION
                     14: .I Fingerd
                     15: is a simple protocol based on RFC742 that provides an interface to the
                     16: Name and Finger programs at several network sites.
                     17: The program is supposed to return a friendly,
                     18: human-oriented status report on either the system at the moment
                     19: or a particular person in depth.
                     20: There is no required format and the
                     21: protocol consists mostly of specifying a single ``command line''.
                     22: .PP
                     23: .I Fingerd
                     24: listens for TCP requests at port 79.
                     25: Once connected it reads a single command line
                     26: terminated by a <CRLF> which is passed to
                     27: .IR finger (1).
                     28: .I Fingerd
                     29: closes its connections as soon as the output is finished.
                     30: .PP
                     31: If the line is null (i.e. just a <CRLF> is sent) then 
                     32: .I finger
                     33: returns a ``default'' report that lists all people logged into
                     34: the system at that moment.
                     35: .PP
                     36: If a user name is specified (e.g. eric<CRLF>) then the
                     37: response lists more extended information for only that particular user,
                     38: whether logged in or not.
                     39: Allowable ``names'' in the command line include both ``login names''
                     40: and ``user names''.
                     41: If a name is ambiguous, all possible derivations are returned.
                     42: .SH SEE ALSO
                     43: finger(1)
                     44: .SH BUGS
                     45: Connecting directly to the server from a TIP
                     46: or an equally narrow-minded TELNET-protocol user program can result
                     47: in meaningless attempts at option negotiation being sent to the
                     48: server, which will foul up the command line interpretation.
                     49: .I Fingerd
                     50: should be taught to filter out IAC's and perhaps even respond
                     51: negatively (IAC WON'T) to all option commands received.

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