1.\" Copyright (c) 2009 Rick Macklem, University of Guelph 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $FreeBSD$ 26.\" 27.Dd April 25, 2009 28.Dt NFSREVOKE 8 29.Os 30.Sh NAME 31.Nm nfsrevoke 32.Nd revoke 33.Tn NFS 34V4 client 35.Sh SYNOPSIS 36.Nm nfsrevoke 37.Ar ClientId 38.Sh DESCRIPTION 39.Nm 40This command is used by a system administrator to revoke a client's access 41to the NFS Version 4 server. All Open/Lock state held by the client will 42be released. 43After revocation, the client will no longer be able to use state on the server 44until it does a fresh SetClientID/SetClientIDConfirm operations sequence. 45THIS SHOULD BE DONE AS A LAST RESORT ONLY, when clients are holding state 46that must be released on the server. 47.Pp 48The 49.Ar ClientId 50argument is a hexadecimal string, which is the last field 51of the 52.Xr nfsdumpstate 8 53command's 54.Fl o 55and 56.Fl l 57options output. 58.Sh SEE ALSO 59.Xr nfsv4 4 , 60.Xr nfsdumpstate 8 61.Sh HISTORY 62The 63.Nm 64command was introduced as a part of the experimental nfs server subsystem. 65