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.Dd April 25, 2009 26.Dt NFSREVOKE 8 27.Os 28.Sh NAME 29.Nm nfsrevoke 30.Nd revoke 31.Tn NFS 32V4 client 33.Sh SYNOPSIS 34.Nm nfsrevoke 35.Ar ClientId 36.Sh DESCRIPTION 37.Nm 38This command is used by a system administrator to revoke a client's access 39to the NFS Version 4 server. All Open/Lock state held by the client will 40be released. 41After revocation, the client will no longer be able to use state on the server 42until it does a fresh SetClientID/SetClientIDConfirm operations sequence. 43THIS SHOULD BE DONE AS A LAST RESORT ONLY, when clients are holding state 44that must be released on the server. 45.Pp 46The 47.Ar ClientId 48argument is a hexadecimal string, which is the last field 49of the 50.Xr nfsdumpstate 8 51command's 52.Fl o 53and 54.Fl l 55options output. 56.Sh SEE ALSO 57.Xr nfsv4 4 , 58.Xr nfsdumpstate 8 59.Sh HISTORY 60The 61.Nm 62command was introduced as a part of the experimental nfs server subsystem. 63