Bv9ARM.ch08.html revision 4e243fdc6b33a6371208b48d64912d8e327b4f5c
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson>Troubleshooting</TITLE
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07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilsonTITLE="BIND 9 Security Considerations"
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilsonTITLE="Appendices"
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07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson>Chapter 8. Troubleshooting</A
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson>Table of Contents</B
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson>Common Problems</A
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson>Incrementing and Changing the Serial Number</A
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson>Where Can I Get Help?</A
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilsonNAME="AEN3916"
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson>8.1. Common Problems</A
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilsonNAME="AEN3918"
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson>8.1.1. It's not working; how can I figure out what's wrong?</A
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson>The best solution to solving installation and
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson configuration issues is to take preventative measures by setting
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson up logging files beforehand (see the sample configurations in
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilsonHREF="Bv9ARM.ch03.html#sample_configuration"
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson>Section 3.1</A
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson>). The log files provide a
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson source of hints and information that can be used to figure out
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson what went wrong and how to fix the problem.</P
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilsonNAME="AEN3922"
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson>8.2. Incrementing and Changing the Serial Number</A
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson>Zone serial numbers are just numbers-they aren't date
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson related. A lot of people set them to a number that represents a
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson date, usually of the form YYYYMMDDRR. A number of people have been
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson testing these numbers for Y2K compliance and have set the number
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson to the year 2000 to see if it will work. They then try to restore
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson the old serial number. This will cause problems because serial
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson numbers are used to indicate that a zone has been updated. If the
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson serial number on the slave server is lower than the serial number
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson on the master, the slave server will attempt to update its copy of
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson>Setting the serial number to a lower number on the master
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson server than the slave server means that the slave will not perform
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson updates to its copy of the zone.</P
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson>The solution to this is to add 2147483647 (2^31-1) to the
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson number, reload the zone and make sure all slaves have updated to
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson the new zone serial number, then reset the number to what you want
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson it to be, and reload the zone again.</P
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilsonNAME="AEN3927"
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson>8.3. Where Can I Get Help?</A
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson>The Internet Software Consortium (<SPAN
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilsonCLASS="acronym"
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson>) offers a wide range
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson of support and service agreements for <SPAN
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilsonCLASS="acronym"
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilsonCLASS="acronym"
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson> servers. Four
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson levels of premium support are available and each level includes
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson support for all <SPAN
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilsonCLASS="acronym"
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson> programs, significant discounts on products
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson and training, and a recognized priority on bug fixes and
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson non-funded feature requests. In addition, <SPAN
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilsonCLASS="acronym"
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson> offers a standard
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson support agreement package which includes services ranging from bug
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson fix announcements to remote support. It also includes training in
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilsonCLASS="acronym"
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilsonCLASS="acronym"
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson>To discuss arrangements for support, contact
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilsonHREF="email:info@isc.org"
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson>info@isc.org</A
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson> or visit the
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilsonCLASS="acronym"
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson> web page at <A
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson to read more.</P
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07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson> 9 Security Considerations</TD
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilsonALIGN="center"
07c0ffeb067cfeaaa76a53b0aa1c8e3b9e761bfaneil_a_wilson>Appendices</TD