Bv9ARM.ch08.html revision c92c50783e4e93699f2a42643b8f200b9b719c87
355b4669e025ff377602b6fc7caaf30dbc218371jacobs - Copyright (C) 2004-2012 Internet Systems Consortium, Inc. ("ISC")
355b4669e025ff377602b6fc7caaf30dbc218371jacobs - Copyright (C) 2000-2003 Internet Software Consortium.
355b4669e025ff377602b6fc7caaf30dbc218371jacobs - Permission to use, copy, modify, and/or distribute this software for any
355b4669e025ff377602b6fc7caaf30dbc218371jacobs - purpose with or without fee is hereby granted, provided that the above
355b4669e025ff377602b6fc7caaf30dbc218371jacobs - copyright notice and this permission notice appear in all copies.
355b4669e025ff377602b6fc7caaf30dbc218371jacobs - THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
355b4669e025ff377602b6fc7caaf30dbc218371jacobs - REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
355b4669e025ff377602b6fc7caaf30dbc218371jacobs - AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
355b4669e025ff377602b6fc7caaf30dbc218371jacobs - INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
355b4669e025ff377602b6fc7caaf30dbc218371jacobs - LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
355b4669e025ff377602b6fc7caaf30dbc218371jacobs - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
355b4669e025ff377602b6fc7caaf30dbc218371jacobs - PERFORMANCE OF THIS SOFTWARE.
355b4669e025ff377602b6fc7caaf30dbc218371jacobs<!-- $Id: Bv9ARM.ch08.html,v 1.266 2012/01/07 01:14:56 tbox Exp $ -->
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0485cf53f277ad1364b39e092bfa2480dbcac144Jonathan Cowper-Andrewes<link rel="start" href="Bv9ARM.html" title="BIND 9 Administrator Reference Manual">
355b4669e025ff377602b6fc7caaf30dbc218371jacobs<link rel="up" href="Bv9ARM.html" title="BIND 9 Administrator Reference Manual">
355b4669e025ff377602b6fc7caaf30dbc218371jacobs<link rel="prev" href="Bv9ARM.ch07.html" title="Chapter�7.�BIND 9 Security Considerations">
355b4669e025ff377602b6fc7caaf30dbc218371jacobs<link rel="next" href="Bv9ARM.ch09.html" title="Appendix�A.�Appendices">
355b4669e025ff377602b6fc7caaf30dbc218371jacobs<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
355b4669e025ff377602b6fc7caaf30dbc218371jacobs<tr><th colspan="3" align="center">Chapter�8.�Troubleshooting</th></tr>
355b4669e025ff377602b6fc7caaf30dbc218371jacobs<a accesskey="p" href="Bv9ARM.ch07.html">Prev</a>�</td>
355b4669e025ff377602b6fc7caaf30dbc218371jacobs<td width="20%" align="right">�<a accesskey="n" href="Bv9ARM.ch09.html">Next</a>
355b4669e025ff377602b6fc7caaf30dbc218371jacobs<a name="Bv9ARM.ch08"></a>Chapter�8.�Troubleshooting</h2></div></div></div>
355b4669e025ff377602b6fc7caaf30dbc218371jacobs<dt><span class="sect1"><a href="Bv9ARM.ch08.html#id2604044">Common Problems</a></span></dt>
355b4669e025ff377602b6fc7caaf30dbc218371jacobs<dd><dl><dt><span class="sect2"><a href="Bv9ARM.ch08.html#id2604050">It's not working; how can I figure out what's wrong?</a></span></dt></dl></dd>
355b4669e025ff377602b6fc7caaf30dbc218371jacobs<dt><span class="sect1"><a href="Bv9ARM.ch08.html#id2604061">Incrementing and Changing the Serial Number</a></span></dt>
355b4669e025ff377602b6fc7caaf30dbc218371jacobs<dt><span class="sect1"><a href="Bv9ARM.ch08.html#id2604078">Where Can I Get Help?</a></span></dt>
355b4669e025ff377602b6fc7caaf30dbc218371jacobs<div class="titlepage"><div><div><h2 class="title" style="clear: both">
355b4669e025ff377602b6fc7caaf30dbc218371jacobs<a name="id2604044"></a>Common Problems</h2></div></div></div>
355b4669e025ff377602b6fc7caaf30dbc218371jacobs<a name="id2604050"></a>It's not working; how can I figure out what's wrong?</h3></div></div></div>
355b4669e025ff377602b6fc7caaf30dbc218371jacobs The best solution to solving installation and
355b4669e025ff377602b6fc7caaf30dbc218371jacobs configuration issues is to take preventative measures by setting
355b4669e025ff377602b6fc7caaf30dbc218371jacobs up logging files beforehand. The log files provide a
355b4669e025ff377602b6fc7caaf30dbc218371jacobs source of hints and information that can be used to figure out
355b4669e025ff377602b6fc7caaf30dbc218371jacobs what went wrong and how to fix the problem.
355b4669e025ff377602b6fc7caaf30dbc218371jacobs<div class="titlepage"><div><div><h2 class="title" style="clear: both">
355b4669e025ff377602b6fc7caaf30dbc218371jacobs<a name="id2604061"></a>Incrementing and Changing the Serial Number</h2></div></div></div>
355b4669e025ff377602b6fc7caaf30dbc218371jacobs Zone serial numbers are just numbers — they aren't
355b4669e025ff377602b6fc7caaf30dbc218371jacobs date related. A lot of people set them to a number that
355b4669e025ff377602b6fc7caaf30dbc218371jacobs represents a date, usually of the form YYYYMMDDRR.
355b4669e025ff377602b6fc7caaf30dbc218371jacobs Occasionally they will make a mistake and set them to a
355b4669e025ff377602b6fc7caaf30dbc218371jacobs "date in the future" then try to correct them by setting
355b4669e025ff377602b6fc7caaf30dbc218371jacobs them to the "current date". This causes problems because
355b4669e025ff377602b6fc7caaf30dbc218371jacobs serial numbers are used to indicate that a zone has been
355b4669e025ff377602b6fc7caaf30dbc218371jacobs updated. If the serial number on the slave server is
355b4669e025ff377602b6fc7caaf30dbc218371jacobs lower than the serial number on the master, the slave
355b4669e025ff377602b6fc7caaf30dbc218371jacobs server will attempt to update its copy of the zone.
355b4669e025ff377602b6fc7caaf30dbc218371jacobs Setting the serial number to a lower number on the master
355b4669e025ff377602b6fc7caaf30dbc218371jacobs server than the slave server means that the slave will not perform
355b4669e025ff377602b6fc7caaf30dbc218371jacobs updates to its copy of the zone.
355b4669e025ff377602b6fc7caaf30dbc218371jacobs The solution to this is to add 2147483647 (2^31-1) to the
355b4669e025ff377602b6fc7caaf30dbc218371jacobs number, reload the zone and make sure all slaves have updated to
355b4669e025ff377602b6fc7caaf30dbc218371jacobs the new zone serial number, then reset the number to what you want
355b4669e025ff377602b6fc7caaf30dbc218371jacobs it to be, and reload the zone again.
355b4669e025ff377602b6fc7caaf30dbc218371jacobs<div class="titlepage"><div><div><h2 class="title" style="clear: both">
355b4669e025ff377602b6fc7caaf30dbc218371jacobs<a name="id2604078"></a>Where Can I Get Help?</h2></div></div></div>
355b4669e025ff377602b6fc7caaf30dbc218371jacobs The Internet Systems Consortium
355b4669e025ff377602b6fc7caaf30dbc218371jacobs (<acronym class="acronym">ISC</acronym>) offers a wide range
355b4669e025ff377602b6fc7caaf30dbc218371jacobs of support and service agreements for <acronym class="acronym">BIND</acronym> and <acronym class="acronym">DHCP</acronym> servers. Four
355b4669e025ff377602b6fc7caaf30dbc218371jacobs levels of premium support are available and each level includes
355b4669e025ff377602b6fc7caaf30dbc218371jacobs support for all <acronym class="acronym">ISC</acronym> programs,
355b4669e025ff377602b6fc7caaf30dbc218371jacobs significant discounts on products
355b4669e025ff377602b6fc7caaf30dbc218371jacobs and training, and a recognized priority on bug fixes and
355b4669e025ff377602b6fc7caaf30dbc218371jacobs non-funded feature requests. In addition, <acronym class="acronym">ISC</acronym> offers a standard
10144ea86a21f583d4eec553d1a18da7544ba6dejacobs support agreement package which includes services ranging from bug
355b4669e025ff377602b6fc7caaf30dbc218371jacobs fix announcements to remote support. It also includes training in
355b4669e025ff377602b6fc7caaf30dbc218371jacobs <acronym class="acronym">BIND</acronym> and <acronym class="acronym">DHCP</acronym>.
355b4669e025ff377602b6fc7caaf30dbc218371jacobs To discuss arrangements for support, contact
355b4669e025ff377602b6fc7caaf30dbc218371jacobs <a href="mailto:info@isc.org" target="_top">info@isc.org</a> or visit the
355b4669e025ff377602b6fc7caaf30dbc218371jacobs <a href="http://www.isc.org/services/support/" target="_top">http://www.isc.org/services/support/</a>
355b4669e025ff377602b6fc7caaf30dbc218371jacobs to read more.
355b4669e025ff377602b6fc7caaf30dbc218371jacobs<a accesskey="p" href="Bv9ARM.ch07.html">Prev</a>�</td>
355b4669e025ff377602b6fc7caaf30dbc218371jacobs<td width="40%" align="right">�<a accesskey="n" href="Bv9ARM.ch09.html">Next</a>
10144ea86a21f583d4eec553d1a18da7544ba6dejacobs<td width="40%" align="left" valign="top">Chapter�7.�<acronym class="acronym">BIND</acronym> 9 Security Considerations�</td>
0485cf53f277ad1364b39e092bfa2480dbcac144Jonathan Cowper-Andrewes<td width="20%" align="center"><a accesskey="h" href="Bv9ARM.html">Home</a></td>
355b4669e025ff377602b6fc7caaf30dbc218371jacobs<td width="40%" align="right" valign="top">�Appendix�A.�Appendices</td>