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FINGERD.8
Upload User: jnzhq888
Upload Date: 2007-01-18
Package Size: 51694k
Code Size: 2k
Category:
OS Develop
Development Platform:
WINDOWS
- FINGERD(8) Minix Programmer's Manual 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 finger returns a
- ``default'' report that lists all people logged into the system at that
- moment.
- If a user name is specified (e.g. eric<CRLF>) then the response lists
- more extended information for only that particular user, whether logged
- in or not. Allowable ``names'' in the command line include both ``login
- names'' and ``user names''. If a name is ambiguous, all possible
- derivations are returned.
- SEE ALSO
- finger(1).
- BUGS
- Connecting directly to the server from a TIP or an equally narrow-minded
- TELNET-protocol user program can result in meaningless attempts at option
- negotiation being sent to the server, which will foul up the command line
- interpretation. Fingerd should be taught to filter out IAC's and perhaps
- even respond negatively (IAC WON'T) to all option commands received.
- 6BSD May 23, 1986 1