Bv9ARM.ch08.html revision b346807a324803592624d0ce5af40de6b5549042
cd348e325366620fe047edcc849e3c9424828599Peter Bray>Troubleshooting</TITLE
d2a02e104622a26dd90fa88f4f17188f2039809fPeter BrayNAME="GENERATOR"
d2a02e104622a26dd90fa88f4f17188f2039809fPeter BrayCONTENT="Modular DocBook HTML Stylesheet Version 1.73
c577d2f6c082eaff9af5bc997d12f3d3bcef537cPeter BrayTITLE="BIND 9 Administrator Reference Manual"
2b024356b830395446c55f50f9f724a63612e578Lubos KoscoREL="PREVIOUS"
d2a02e104622a26dd90fa88f4f17188f2039809fPeter BrayTITLE="BIND 9 Security Considerations"
c577d2f6c082eaff9af5bc997d12f3d3bcef537cPeter BrayTITLE="Appendices"
d2a02e104622a26dd90fa88f4f17188f2039809fPeter BrayCLASS="chapter"
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d2a02e104622a26dd90fa88f4f17188f2039809fPeter BraySUMMARY="Header navigation table"
d2a02e104622a26dd90fa88f4f17188f2039809fPeter BrayCELLPADDING="0"
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d70dc22c6dce3f498251b0873638d1fea0e644a3Lubos KoscoALIGN="center"
2cf31ec93bd5d8a2efeab511ce051da51e69aedaLubos Kosco>BIND 9 Administrator Reference Manual</TH
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2cf31ec93bd5d8a2efeab511ce051da51e69aedaLubos KoscoCLASS="chapter"
2cf31ec93bd5d8a2efeab511ce051da51e69aedaLubos Kosco>Chapter 8. Troubleshooting</A
d280c5e286f5b98be13237f52281ae5afdcf51b9Peter Bray>Table of Contents</B
d2a02e104622a26dd90fa88f4f17188f2039809fPeter Bray>Common Problems</A
cd348e325366620fe047edcc849e3c9424828599Peter Bray>Incrementing and Changing the Serial Number</A
cd348e325366620fe047edcc849e3c9424828599Peter Bray>Where Can I Get Help?</A
d2a02e104622a26dd90fa88f4f17188f2039809fPeter BrayCLASS="sect1"
0ca9a2c194523c517c3aafe5758e217ac88d6baaLubos KoscoCLASS="sect1"
0ca9a2c194523c517c3aafe5758e217ac88d6baaLubos KoscoNAME="AEN4674"
d280c5e286f5b98be13237f52281ae5afdcf51b9Peter Bray>8.1. Common Problems</A
d2a02e104622a26dd90fa88f4f17188f2039809fPeter BrayCLASS="sect2"
d280c5e286f5b98be13237f52281ae5afdcf51b9Peter BrayCLASS="sect2"
d280c5e286f5b98be13237f52281ae5afdcf51b9Peter BrayNAME="AEN4676"
d2a02e104622a26dd90fa88f4f17188f2039809fPeter Bray>8.1.1. It's not working; how can I figure out what's wrong?</A
b34561d2c3d92fac37dbced05ba6a8738e3d20e9Lubos Kosco>The best solution to solving installation and
d2a02e104622a26dd90fa88f4f17188f2039809fPeter Bray configuration issues is to take preventative measures by setting
d2a02e104622a26dd90fa88f4f17188f2039809fPeter Bray up logging files beforehand. The log files provide a
5e6c91d7e77062129cd0b6ac8aaa546dff216419Lubos Kosco source of hints and information that can be used to figure out
5e6c91d7e77062129cd0b6ac8aaa546dff216419Lubos Kosco what went wrong and how to fix the problem.</P
cd348e325366620fe047edcc849e3c9424828599Peter BrayCLASS="sect1"
d2a02e104622a26dd90fa88f4f17188f2039809fPeter BrayCLASS="sect1"
cd348e325366620fe047edcc849e3c9424828599Peter BrayNAME="AEN4679"
cd348e325366620fe047edcc849e3c9424828599Peter Bray>8.2. Incrementing and Changing the Serial Number</A
cd348e325366620fe047edcc849e3c9424828599Peter Bray>Zone serial numbers are just numbers-they aren't date
cd348e325366620fe047edcc849e3c9424828599Peter Bray related. A lot of people set them to a number that represents a
cd348e325366620fe047edcc849e3c9424828599Peter Bray date, usually of the form YYYYMMDDRR. A number of people have been
d2a02e104622a26dd90fa88f4f17188f2039809fPeter Bray testing these numbers for Y2K compliance and have set the number
cd348e325366620fe047edcc849e3c9424828599Peter Bray to the year 2000 to see if it will work. They then try to restore
d2a02e104622a26dd90fa88f4f17188f2039809fPeter Bray the old serial number. This will cause problems because serial
cd348e325366620fe047edcc849e3c9424828599Peter Bray numbers are used to indicate that a zone has been updated. If the
d2a02e104622a26dd90fa88f4f17188f2039809fPeter Bray serial number on the slave server is lower than the serial number
cd348e325366620fe047edcc849e3c9424828599Peter Bray on the master, the slave server will attempt to update its copy of
c842732324ee4c74ede17887ad1f0dcdc4364a2cLubos Kosco the zone.</P
c842732324ee4c74ede17887ad1f0dcdc4364a2cLubos Kosco>Setting the serial number to a lower number on the master
d7c1415de39f4b07c85828f49cd1ee7a2a19eb9eLubos Kosco server than the slave server means that the slave will not perform
c842732324ee4c74ede17887ad1f0dcdc4364a2cLubos Kosco updates to its copy of the zone.</P
c842732324ee4c74ede17887ad1f0dcdc4364a2cLubos Kosco>The solution to this is to add 2147483647 (2^31-1) to the
d280c5e286f5b98be13237f52281ae5afdcf51b9Peter Bray number, reload the zone and make sure all slaves have updated to
d280c5e286f5b98be13237f52281ae5afdcf51b9Peter Bray the new zone serial number, then reset the number to what you want
d280c5e286f5b98be13237f52281ae5afdcf51b9Peter Bray it to be, and reload the zone again.</P
3aa0947feb67d3e8292d84776638be98dd97fdc3Lubos KoscoCLASS="sect1"
d2a02e104622a26dd90fa88f4f17188f2039809fPeter BrayCLASS="sect1"
cd348e325366620fe047edcc849e3c9424828599Peter BrayNAME="AEN4684"
d2a02e104622a26dd90fa88f4f17188f2039809fPeter Bray>8.3. Where Can I Get Help?</A
d2a02e104622a26dd90fa88f4f17188f2039809fPeter Bray>The Internet Software Consortium (<SPAN
cd348e325366620fe047edcc849e3c9424828599Peter BrayCLASS="acronym"
d2a02e104622a26dd90fa88f4f17188f2039809fPeter Bray>) offers a wide range
cd348e325366620fe047edcc849e3c9424828599Peter Bray of support and service agreements for <SPAN
cd348e325366620fe047edcc849e3c9424828599Peter BrayCLASS="acronym"
cd348e325366620fe047edcc849e3c9424828599Peter BrayCLASS="acronym"
2b024356b830395446c55f50f9f724a63612e578Lubos Kosco> servers. Four
2b024356b830395446c55f50f9f724a63612e578Lubos Kosco levels of premium support are available and each level includes
d280c5e286f5b98be13237f52281ae5afdcf51b9Peter Bray support for all <SPAN
d280c5e286f5b98be13237f52281ae5afdcf51b9Peter BrayCLASS="acronym"
d280c5e286f5b98be13237f52281ae5afdcf51b9Peter Bray> programs, significant discounts on products
d280c5e286f5b98be13237f52281ae5afdcf51b9Peter Bray and training, and a recognized priority on bug fixes and
d280c5e286f5b98be13237f52281ae5afdcf51b9Peter Bray non-funded feature requests. In addition, <SPAN
5762c9f28c2246777be0e9d49cb29d9c0f49146dLubos KoscoCLASS="acronym"
d6ee3934a24d8ccc0e4bb478405d8e5f6a35825dLubos Kosco> offers a standard
477c09a2656e6a2c1075425ad81e61d594164fa9Lubos Kosco support agreement package which includes services ranging from bug
c842732324ee4c74ede17887ad1f0dcdc4364a2cLubos Kosco fix announcements to remote support. It also includes training in
c842732324ee4c74ede17887ad1f0dcdc4364a2cLubos KoscoCLASS="acronym"
d280c5e286f5b98be13237f52281ae5afdcf51b9Peter BrayCLASS="acronym"
d6ee3934a24d8ccc0e4bb478405d8e5f6a35825dLubos Kosco>To discuss arrangements for support, contact
d280c5e286f5b98be13237f52281ae5afdcf51b9Peter BrayHREF="mailto:info@isc.org"
d70dc22c6dce3f498251b0873638d1fea0e644a3Lubos KoscoTARGET="_top"
477c09a2656e6a2c1075425ad81e61d594164fa9Lubos Kosco>info@isc.org</A
d70dc22c6dce3f498251b0873638d1fea0e644a3Lubos Kosco> or visit the
d70dc22c6dce3f498251b0873638d1fea0e644a3Lubos KoscoCLASS="acronym"
d280c5e286f5b98be13237f52281ae5afdcf51b9Peter Bray> web page at <A
2cf31ec93bd5d8a2efeab511ce051da51e69aedaLubos KoscoTARGET="_top"
2cf31ec93bd5d8a2efeab511ce051da51e69aedaLubos Kosco to read more.</P
d280c5e286f5b98be13237f52281ae5afdcf51b9Peter BrayCLASS="NAVFOOTER"
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4e854c69a0484765dcd27b0e837898c8b6969beaTrond Norbye> 9 Security Considerations</TD
d280c5e286f5b98be13237f52281ae5afdcf51b9Peter BrayALIGN="center"
477c09a2656e6a2c1075425ad81e61d594164fa9Lubos KoscoALIGN="right"
cd348e325366620fe047edcc849e3c9424828599Peter Bray>Appendices</TD