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6ae232055d4d8a97267517c5e50074c2c819941and - Copyright (C) 2004-2013 Internet Systems Consortium, Inc. ("ISC")
6ae232055d4d8a97267517c5e50074c2c819941and - Copyright (C) 2000-2003 Internet Software Consortium.
6ae232055d4d8a97267517c5e50074c2c819941and - Permission to use, copy, modify, and/or distribute this software for any
6ae232055d4d8a97267517c5e50074c2c819941and - purpose with or without fee is hereby granted, provided that the above
6ae232055d4d8a97267517c5e50074c2c819941and - copyright notice and this permission notice appear in all copies.
6ae232055d4d8a97267517c5e50074c2c819941and - THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
6ae232055d4d8a97267517c5e50074c2c819941and - REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
d29d9ab4614ff992b0e8de6e2b88d52b6f1f153erbowen - AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
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d29d9ab4614ff992b0e8de6e2b88d52b6f1f153erbowen - LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
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6ae232055d4d8a97267517c5e50074c2c819941and - PERFORMANCE OF THIS SOFTWARE.
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b43f840409794ed298e8634f6284741f193b6c4ftakashi<link rel="start" href="Bv9ARM.html" title="BIND 9 Administrator Reference Manual">
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6ae232055d4d8a97267517c5e50074c2c819941and<link rel="prev" href="Bv9ARM.ch07.html" title="Chapter�7.�BIND 9 Security Considerations">
6ae232055d4d8a97267517c5e50074c2c819941and<link rel="next" href="Bv9ARM.ch09.html" title="Appendix�A.�Appendices">
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6ae232055d4d8a97267517c5e50074c2c819941and<tr><th colspan="3" align="center">Chapter�8.�Troubleshooting</th></tr>
b43f840409794ed298e8634f6284741f193b6c4ftakashi<a accesskey="p" href="Bv9ARM.ch07.html">Prev</a>�</td>
6ae232055d4d8a97267517c5e50074c2c819941and<td width="20%" align="right">�<a accesskey="n" href="Bv9ARM.ch09.html">Next</a>
6ae232055d4d8a97267517c5e50074c2c819941and<a name="Bv9ARM.ch08"></a>Chapter�8.�Troubleshooting</h2></div></div></div>
6ae232055d4d8a97267517c5e50074c2c819941and<dt><span class="sect1"><a href="Bv9ARM.ch08.html#id2604921">Common Problems</a></span></dt>
6ae232055d4d8a97267517c5e50074c2c819941and<dd><dl><dt><span class="sect2"><a href="Bv9ARM.ch08.html#id2604926">It's not working; how can I figure out what's wrong?</a></span></dt></dl></dd>
6ae232055d4d8a97267517c5e50074c2c819941and<dt><span class="sect1"><a href="Bv9ARM.ch08.html#id2604938">Incrementing and Changing the Serial Number</a></span></dt>
6ae232055d4d8a97267517c5e50074c2c819941and<dt><span class="sect1"><a href="Bv9ARM.ch08.html#id2604955">Where Can I Get Help?</a></span></dt>
6ae232055d4d8a97267517c5e50074c2c819941and<div class="titlepage"><div><div><h2 class="title" style="clear: both">
6ae232055d4d8a97267517c5e50074c2c819941and<a name="id2604921"></a>Common Problems</h2></div></div></div>
6ae232055d4d8a97267517c5e50074c2c819941and<a name="id2604926"></a>It's not working; how can I figure out what's wrong?</h3></div></div></div>
6ae232055d4d8a97267517c5e50074c2c819941and The best solution to solving installation and
6ae232055d4d8a97267517c5e50074c2c819941and configuration issues is to take preventative measures by setting
6ae232055d4d8a97267517c5e50074c2c819941and up logging files beforehand. The log files provide a
6ae232055d4d8a97267517c5e50074c2c819941and source of hints and information that can be used to figure out
6ae232055d4d8a97267517c5e50074c2c819941and what went wrong and how to fix the problem.
6ae232055d4d8a97267517c5e50074c2c819941and<div class="titlepage"><div><div><h2 class="title" style="clear: both">
6ae232055d4d8a97267517c5e50074c2c819941and<a name="id2604938"></a>Incrementing and Changing the Serial Number</h2></div></div></div>
6ae232055d4d8a97267517c5e50074c2c819941and Zone serial numbers are just numbers — they aren't
6ae232055d4d8a97267517c5e50074c2c819941and date related. A lot of people set them to a number that
6ae232055d4d8a97267517c5e50074c2c819941and represents a date, usually of the form YYYYMMDDRR.
6ae232055d4d8a97267517c5e50074c2c819941and Occasionally they will make a mistake and set them to a
6ae232055d4d8a97267517c5e50074c2c819941and "date in the future" then try to correct them by setting
6ae232055d4d8a97267517c5e50074c2c819941and them to the "current date". This causes problems because
6ae232055d4d8a97267517c5e50074c2c819941and serial numbers are used to indicate that a zone has been
6ae232055d4d8a97267517c5e50074c2c819941and updated. If the serial number on the slave server is
6ae232055d4d8a97267517c5e50074c2c819941and lower than the serial number on the master, the slave
6ae232055d4d8a97267517c5e50074c2c819941and server will attempt to update its copy of the zone.
6ae232055d4d8a97267517c5e50074c2c819941and Setting the serial number to a lower number on the master
6ae232055d4d8a97267517c5e50074c2c819941and server than the slave server means that the slave will not perform
6ae232055d4d8a97267517c5e50074c2c819941and updates to its copy of the zone.
6ae232055d4d8a97267517c5e50074c2c819941and The solution to this is to add 2147483647 (2^31-1) to the
6ae232055d4d8a97267517c5e50074c2c819941and number, reload the zone and make sure all slaves have updated to
6ae232055d4d8a97267517c5e50074c2c819941and the new zone serial number, then reset the number to what you want
6ae232055d4d8a97267517c5e50074c2c819941and it to be, and reload the zone again.
6ae232055d4d8a97267517c5e50074c2c819941and<div class="titlepage"><div><div><h2 class="title" style="clear: both">
6ae232055d4d8a97267517c5e50074c2c819941and<a name="id2604955"></a>Where Can I Get Help?</h2></div></div></div>
6ae232055d4d8a97267517c5e50074c2c819941and The Internet Systems Consortium
6ae232055d4d8a97267517c5e50074c2c819941and (<acronym class="acronym">ISC</acronym>) offers a wide range
6ae232055d4d8a97267517c5e50074c2c819941and of support and service agreements for <acronym class="acronym">BIND</acronym> and <acronym class="acronym">DHCP</acronym> servers. Four
6ae232055d4d8a97267517c5e50074c2c819941and levels of premium support are available and each level includes
6ae232055d4d8a97267517c5e50074c2c819941and support for all <acronym class="acronym">ISC</acronym> programs,
6ae232055d4d8a97267517c5e50074c2c819941and significant discounts on products
6ae232055d4d8a97267517c5e50074c2c819941and and training, and a recognized priority on bug fixes and
6ae232055d4d8a97267517c5e50074c2c819941and non-funded feature requests. In addition, <acronym class="acronym">ISC</acronym> offers a standard
6ae232055d4d8a97267517c5e50074c2c819941and support agreement package which includes services ranging from bug
6ae232055d4d8a97267517c5e50074c2c819941and fix announcements to remote support. It also includes training in
6ae232055d4d8a97267517c5e50074c2c819941and <acronym class="acronym">BIND</acronym> and <acronym class="acronym">DHCP</acronym>.
6ae232055d4d8a97267517c5e50074c2c819941and To discuss arrangements for support, contact
6ae232055d4d8a97267517c5e50074c2c819941and <a href="mailto:info@isc.org" target="_top">info@isc.org</a> or visit the
6ae232055d4d8a97267517c5e50074c2c819941and <a href="http://www.isc.org/services/support/" target="_top">http://www.isc.org/services/support/</a>
6ae232055d4d8a97267517c5e50074c2c819941and to read more.
6ae232055d4d8a97267517c5e50074c2c819941and<td width="40%" align="right">�<a accesskey="n" href="Bv9ARM.ch09.html">Next</a>
6ae232055d4d8a97267517c5e50074c2c819941and<td width="40%" align="left" valign="top">Chapter�7.�<acronym class="acronym">BIND</acronym> 9 Security Considerations�</td>
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6ae232055d4d8a97267517c5e50074c2c819941and<td width="40%" align="right" valign="top">�Appendix�A.�Appendices</td>