ae77177087
several new kerberos related libraries and applications to FreeBSD:
o kgetcred(1) allows one to manually get a ticket for a particular service.
o kf(1) securily forwards ticket to another host through an authenticated
and encrypted stream.
o kcc(1) is an umbrella program around klist(1), kswitch(1), kgetcred(1)
and other user kerberos operations. klist and kswitch are just symlinks
to kcc(1) now.
o kswitch(1) allows you to easily switch between kerberos credentials if
you're running KCM.
o hxtool(1) is a certificate management tool to use with PKINIT.
o string2key(1) maps a password into key.
o kdigest(8) is a userland tool to access the KDC's digest interface.
o kimpersonate(8) creates a "fake" ticket for a service.
We also now install manpages for some lirbaries that were not installed
before, libheimntlm and libhx509.
- The new HEIMDAL version no longer supports Kerberos 4. All users are
recommended to switch to Kerberos 5.
- Weak ciphers are now disabled by default. To enable DES support (used
by telnet(8)), use "allow_weak_crypto" option in krb5.conf.
- libtelnet, pam_ksu and pam_krb5 are now compiled with error on warnings
disabled due to the function they use (krb5_get_err_text(3)) being
deprecated. I plan to work on this next.
- Heimdal's KDC now require sqlite to operate. We use the bundled version
and install it as libheimsqlite. If some other FreeBSD components will
require it in the future we can rename it to libbsdsqlite and use for these
components as well.
- This is not a latest Heimdal version, the new one was released while I was
working on the update. I will update it to 1.5.2 soon, as it fixes some
important bugs and security issues.
184 lines
5.4 KiB
Groff
184 lines
5.4 KiB
Groff
.\" $Id$
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.\"
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.\" Copyright (c) 2005 Kungliga Tekniska Högskolan
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.\" (Royal Institute of Technology, Stockholm, Sweden).
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\"
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\"
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" 3. Neither the name of the Institute nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.Dd May 24, 2005
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.Dt IPROP 8
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.Os Heimdal
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.Sh NAME
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.Nm iprop ,
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.Nm ipropd-master ,
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.Nm ipropd-slave
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.Nd propagate changes to a Heimdal Kerberos master KDC to slave KDCs
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.Sh SYNOPSIS
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.Nm ipropd-master
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.Oo Fl c Ar string \*(Ba Xo
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.Fl Fl config-file= Ns Ar string
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.Xc
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.Oc
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.Oo Fl r Ar string \*(Ba Xo
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.Fl Fl realm= Ns Ar string
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.Xc
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.Oc
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.Oo Fl k Ar kspec \*(Ba Xo
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.Fl Fl keytab= Ns Ar kspec
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.Xc
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.Oc
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.Oo Fl d Ar file \*(Ba Xo
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.Fl Fl database= Ns Ar file
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.Xc
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.Oc
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.Op Fl Fl slave-stats-file= Ns Ar file
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.Op Fl Fl time-missing= Ns Ar time
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.Op Fl Fl time-gone= Ns Ar time
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.Op Fl Fl detach
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.Op Fl Fl version
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.Op Fl Fl help
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.Nm ipropd-slave
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.Oo Fl c Ar string \*(Ba Xo
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.Fl Fl config-file= Ns Ar string
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.Xc
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.Oc
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.Oo Fl r Ar string \*(Ba Xo
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.Fl Fl realm= Ns Ar string
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.Xc
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.Oc
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.Oo Fl k Ar kspec \*(Ba Xo
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.Fl Fl keytab= Ns Ar kspec
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.Xc
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.Oc
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.Op Fl Fl time-lost= Ns Ar time
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.Op Fl Fl detach
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.Op Fl Fl version
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.Op Fl Fl help
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.Ar master
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.Sh DESCRIPTION
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.Nm ipropd-master
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is used to propagate changes to a Heimdal Kerberos database from the
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master Kerberos server on which it runs to slave Kerberos servers
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running
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.Nm ipropd-slave .
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.Pp
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The slaves are specified by the contents of the
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.Pa slaves
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file in the KDC's database directory, e.g.\&
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.Pa /var/heimdal/slaves .
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This has principals one per-line of the form
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.Dl iprop/ Ns Ar slave Ns @ Ns Ar REALM
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where
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.Ar slave
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is the hostname of the slave server in the given
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.Ar REALM ,
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e.g.\&
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.Dl iprop/kerberos-1.example.com@EXAMPLE.COM
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On a slave, the argument
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.Fa master
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specifies the hostname of the master server from which to receive updates.
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.Pp
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In contrast to
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.Xr hprop 8 ,
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which sends the whole database to the slaves regularly,
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.Nm
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normally sends only the changes as they happen on the master.
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The master keeps track of all the changes by assigning a version
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number to every change to the database.
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The slaves know which was the latest version they saw, and in this
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way it can be determined if they are in sync or not.
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A log of all the changes is kept on the master.
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When a slave is at an older version than the oldest one in the log,
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the whole database has to be sent.
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.Pp
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The changes are propagated over a secure channel (on port 2121 by
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default).
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This should normally be defined as
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.Dq iprop/tcp
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in
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.Pa /etc/services
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or another source of the services database.
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The master and slaves
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must each have access to a keytab with keys for the
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.Nm iprop
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service principal on the local host.
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.Pp
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There is a keep-alive feature logged in the master's
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.Pa slave-stats
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file (e.g.\&
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.Pa /var/heimdal/slave-stats ) .
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.Pp
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Supported options for
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.Nm ipropd-master :
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.Bl -tag -width Ds
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.It Fl c Ar string , Fl Fl config-file= Ns Ar string
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.It Fl r Ar string , Fl Fl realm= Ns Ar string
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.It Fl k Ar kspec , Fl Fl keytab= Ns Ar kspec
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keytab to get authentication from
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.It Fl d Ar file , Fl Fl database= Ns Ar file
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Database (default per KDC)
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.It Fl Fl slave-stats-file= Ns Ar file
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file for slave status information
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.It Fl Fl time-missing= Ns Ar time
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time before slave is polled for presence (default 2 min)
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.It Fl Fl time-gone= Ns Ar time
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time of inactivity after which a slave is considered gone (default 5 min)
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.It Fl Fl detach
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detach from console
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.It Fl Fl version
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.It Fl Fl help
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.El
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.Pp
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Supported options for
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.Nm ipropd-slave :
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.Bl -tag -width Ds
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.It Fl c Ar string , Fl Fl config-file= Ns Ar string
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.It Fl r Ar string , Fl Fl realm= Ns Ar string
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.It Fl k Ar kspec , Fl Fl keytab= Ns Ar kspec
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keytab to get authentication from
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.It Fl Fl time-lost= Ns Ar time
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time before server is considered lost (default 5 min)
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.It Fl Fl detach
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detach from console
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.It Fl Fl version
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.It Fl Fl help
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.El
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Time arguments for the relevant options above may be specified in forms
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like 5 min, 300 s, or simply a number of seconds.
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.Sh FILES
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.Pa slaves ,
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.Pa slave-stats
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in the database directory.
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.Sh SEE ALSO
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.Xr krb5.conf 5 ,
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.Xr hprop 8 ,
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.Xr hpropd 8 ,
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.Xr iprop-log 8 ,
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.Xr kdc 8 .
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