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.\" Copyright (c) 2009 Rick Macklem, University of Guelph
.\" 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.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
.\"
.\" $FreeBSD$
.\"
.Dd April 25, 2009
.Dt NFSREVOKE 8
.Os
.Sh NAME
.Nm nfsrevoke
.Nd revoke
.Tn NFS
V4 client
.Sh SYNOPSIS
.Nm nfsrevoke
.Ar ClientId
.Sh DESCRIPTION
.Nm
This command is used by a system administrator to revoke a client's access
to the NFS Version 4 server. All Open/Lock state held by the client will
be released.
After revocation, the client will no longer be able to use state on the server
until it does a fresh SetClientID/SetClientIDConfirm operations sequence.
THIS SHOULD BE DONE AS A LAST RESORT ONLY, when clients are holding state
that must be released on the server.
.Pp
The
.Ar ClientId
argument is a hexadecimal string, which is the last field
of the
.Xr nfsdumpstate 8
command's
.Fl o
and
.Fl l
options output.
.Sh SEE ALSO
.Xr nfsv4 4 ,
.Xr nfsdumpstate 8
.Sh HISTORY
The
.Nm
command was introduced as a part of the experimental nfs server subsystem.
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