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authorJacob McDonnell <jacob@jacobmcdonnell.com>2026-04-25 19:54:44 -0400
committerJacob McDonnell <jacob@jacobmcdonnell.com>2026-04-25 19:54:44 -0400
commita9157ce950dfe2fc30795d43b9d79b9d1bffc48b (patch)
tree9df484304b560466d145e662c1c254ff0e9ae0ba /static/openbsd/man8/fingerd.8
parent160aa82b2d39c46ad33723d7d909cb4972efbb03 (diff)
docs: Added All OpenBSD Manuals
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+.\" $OpenBSD: fingerd.8,v 1.22 2022/03/31 17:27:18 naddy Exp $
+.\"
+.\" Copyright (c) 1980, 1991, 1993
+.\" The Regents of the University of California. All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\" notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\" notice, this list of conditions and the following disclaimer in the
+.\" documentation and/or other materials provided with the distribution.
+.\" 3. Neither the name of the University nor the names of its contributors
+.\" may be used to endorse or promote products derived from this software
+.\" without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\" from: @(#)fingerd.8 8.1 (Berkeley) 6/4/93
+.\" $Id: fingerd.8,v 1.22 2022/03/31 17:27:18 naddy Exp $
+.\"
+.Dd $Mdocdate: March 31 2022 $
+.Dt FINGERD 8
+.Os
+.Sh NAME
+.Nm fingerd
+.Nd remote user information server
+.Sh SYNOPSIS
+.Nm fingerd
+.Op Fl lMmpSsu
+.Op Fl P Ar filename
+.Sh DESCRIPTION
+.Nm
+implements a simple protocol based on RFC 1288
+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
+.Dq command line .
+.Pp
+.Nm
+is started by
+.Xr inetd 8 ,
+which listens for TCP requests at port 79.
+Once connected, it reads a single command line
+terminated by a
+.Aq CRLF
+which is passed to
+.Xr finger 1 .
+.Nm
+closes its connections as soon as the output is finished.
+.Pp
+If the line is null (i.e., just a
+.Aq CRLF
+is sent) then
+.Xr finger 1
+returns a
+.Dq default
+report that lists all people logged into
+the system at that moment.
+.Pp
+If a user name is specified (e.g.,
+.Pf eric Aq CRLF )
+then the
+response lists more extended information for only that particular user,
+whether logged in or not.
+Allowable
+.Dq names
+in the command line include both
+.Dq login names
+and
+.Dq user names .
+If a name is ambiguous, all possible derivations are returned.
+.Pp
+The following options may be passed to
+.Nm
+as server program arguments in
+.Pa /etc/inetd.conf :
+.Bl -tag -width Ds
+.It Fl l
+Enable logging.
+The name of the host originating the query and the actual request
+is reported via
+.Xr syslog 3
+at LOG_NOTICE priority.
+A request of the form
+.Sq /W
+or
+.Sq /w
+will return long output.
+Empty requests will return all currently logged in users.
+All other requests look for specific users.
+See RFC 1288 for details.
+.It Fl M
+Enables matching of
+.Ar user
+names.
+This is disabled by default if the system is running YP.
+.It Fl m
+Prevent matching of
+.Ar user
+names.
+.Ar User
+is usually a login name; however, matching will also be done on the
+users' real names, unless the
+.Fl m
+option is supplied.
+.It Fl P Ar filename
+Use an alternate program as the local information provider.
+The default local program
+executed by
+.Nm
+is
+.Xr finger 1 .
+By specifying a customized local server,
+this option allows a system manager
+to have more control over what information is
+provided to remote sites.
+.It Fl p
+Prevents
+.Xr finger 1
+from displaying the contents of the
+.Dq Pa .plan
+and
+.Dq Pa .project
+files.
+.It Fl S
+Prints user information in short mode, one line per user.
+This overrides the
+.Dq Pa Whois switch
+that may be passed in from the remote client.
+.It Fl s
+Enable secure mode.
+Forwarding of queries to other remote hosts is denied.
+.It Fl u
+Queries without a user name are rejected.
+.El
+.Sh SEE ALSO
+.Xr finger 1 ,
+.Xr inetd 8
+.Sh STANDARDS
+.Rs
+.%A D. Zimmerman
+.%D December 1991
+.%R RFC 1288
+.%T The Finger User Information Protocol
+.Re
+.Sh HISTORY
+The
+.Nm
+command appeared in
+.Bx 4.3 .