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r218 r274 1 <html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Chapter 48. DNS and DHCP Configuration Guide</title><link rel="stylesheet" href="../samba.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.74.0"><link rel="home" href="index.html" title="The Official Samba 3. 2.x HOWTO and Reference Guide"><link rel="up" href="Appendix.html" title="Part VI. Reference Section"><link rel="prev" href="ch47.html" title="Chapter 47. Samba Support"><link rel="next" href="apa.html" title="Appendix A. GNU General Public License version 3"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Chapter 48. DNS and DHCP Configuration Guide</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ch47.html">Prev</a> </td><th width="60%" align="center">Part VI. Reference Section</th><td width="20%" align="right"> <a accesskey="n" href="apa.html">Next</a></td></tr></table><hr></div><div class="chapter" lang="en"><div class="titlepage"><div><div><h2 class="title"><a name="DNSDHCP"></a>Chapter 48. DNS and DHCP Configuration Guide</h2></div><div><div class="author"><h3 class="author"><span class="firstname">John</span> <span class="othername">H.</span> <span class="orgname">Samba Team</span> <span class="surname">Terpstra</span></h3><div class="affiliation"><span class="orgname">Samba Team<br></span><div class="address"><p><code class="email"><<a class="email" href="mailto:jht@samba.org">jht@samba.org</a>></code></p></div></div></div></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="sect1"><a href="DNSDHCP.html#id2692846">Features and Benefits</a></span></dt><dt><span class="sect1"><a href="DNSDHCP.html#id2693025">Example Configuration</a></span></dt><dd><dl><dt><span class="sect2"><a href="DNSDHCP.html#id2693116">Dynamic DNS</a></span></dt><dt><span class="sect2"><a href="DNSDHCP.html#DHCP">DHCP Server</a></span></dt></dl></dd></dl></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2692846"></a>Features and Benefits</h2></div></div></div><p>2 <a class="indexterm" name="id26928 54"></a>3 <a class="indexterm" name="id2692 864"></a>1 <html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Chapter 48. DNS and DHCP Configuration Guide</title><link rel="stylesheet" href="../samba.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.74.0"><link rel="home" href="index.html" title="The Official Samba 3.3.x HOWTO and Reference Guide"><link rel="up" href="Appendix.html" title="Part VI. Reference Section"><link rel="prev" href="ch47.html" title="Chapter 47. Samba Support"><link rel="next" href="apa.html" title="Appendix A. GNU General Public License version 3"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Chapter 48. DNS and DHCP Configuration Guide</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ch47.html">Prev</a> </td><th width="60%" align="center">Part VI. Reference Section</th><td width="20%" align="right"> <a accesskey="n" href="apa.html">Next</a></td></tr></table><hr></div><div class="chapter" lang="en"><div class="titlepage"><div><div><h2 class="title"><a name="DNSDHCP"></a>Chapter 48. DNS and DHCP Configuration Guide</h2></div><div><div class="author"><h3 class="author"><span class="firstname">John</span> <span class="othername">H.</span> <span class="orgname">Samba Team</span> <span class="surname">Terpstra</span></h3><div class="affiliation"><span class="orgname">Samba Team<br></span><div class="address"><p><code class="email"><<a class="email" href="mailto:jht@samba.org">jht@samba.org</a>></code></p></div></div></div></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="sect1"><a href="DNSDHCP.html#id2692887">Features and Benefits</a></span></dt><dt><span class="sect1"><a href="DNSDHCP.html#id2693066">Example Configuration</a></span></dt><dd><dl><dt><span class="sect2"><a href="DNSDHCP.html#id2693157">Dynamic DNS</a></span></dt><dt><span class="sect2"><a href="DNSDHCP.html#DHCP">DHCP Server</a></span></dt></dl></dd></dl></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2692887"></a>Features and Benefits</h2></div></div></div><p> 2 <a class="indexterm" name="id2692895"></a> 3 <a class="indexterm" name="id2692904"></a> 4 4 There are few subjects in the UNIX world that might raise as much contention as 5 5 Domain Name System (DNS) and Dynamic Host Configuration Protocol (DHCP). … … 11 11 notebook computer into a network port and have things “<span class="quote">just work.</span>” 12 12 </p><p> 13 <a class="indexterm" name="id2692 891"></a>13 <a class="indexterm" name="id2692931"></a> 14 14 UNIX administrators have a point. Many of the normative practices in the Microsoft 15 15 Windows world at best border on bad practice from a security perspective. … … 18 18 that are equally perplexing to UNIX administrators. Welcome to the new world! 19 19 </p><p> 20 <a class="indexterm" name="id26929 08"></a>21 <a class="indexterm" name="id26929 17"></a>22 <a class="indexterm" name="id26929 26"></a>20 <a class="indexterm" name="id2692948"></a> 21 <a class="indexterm" name="id2692957"></a> 22 <a class="indexterm" name="id2692966"></a> 23 23 The purpose of this chapter is to demonstrate the configuration of the Internet 24 24 Software Consortium (ISC) DNS and DHCP servers to provide dynamic services that are … … 28 28 examples used match configuration examples used elsewhere in this document. 29 29 </p><p> 30 <a class="indexterm" name="id26929 49"></a>31 <a class="indexterm" name="id26929 55"></a>32 <a class="indexterm" name="id269 2962"></a>30 <a class="indexterm" name="id2692989"></a> 31 <a class="indexterm" name="id2692996"></a> 32 <a class="indexterm" name="id2693003"></a> 33 33 This chapter explicitly does not provide a tutorial, nor does it pretend to be a reference guide on DNS and 34 34 DHCP, as this is well beyond the scope and intent of this document as a whole. Anyone who wants more detailed … … 36 36 in the O'Reilly publications on DNS, see the <a class="ulink" href="http://www.oreilly.com/catalog/dns/index.htm" target="_top">O'Reilly</a> web site, and the <a class="ulink" href="http://www.bind9.net/books-dhcp" target="_top">BIND9.NET</a> web site for details. 37 37 The books are: 38 </p><div class="orderedlist"><ol type="1"><li><p>DNS and BIND, By Cricket Liu, Paul Albitz, ISBN: 1-56592-010-4</p></li><li><p>DNS & Bind Cookbook, By Cricket Liu, ISBN: 0-596-00410-9</p></li><li><p>The DHCP Handbook (2nd Edition), By: Ralph Droms, Ted Lemon, ISBN 0-672-32327-3</p></li></ol></div></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id26930 25"></a>Example Configuration</h2></div></div></div><p>39 <a class="indexterm" name="id26930 33"></a>40 <a class="indexterm" name="id26930 40"></a>38 </p><div class="orderedlist"><ol type="1"><li><p>DNS and BIND, By Cricket Liu, Paul Albitz, ISBN: 1-56592-010-4</p></li><li><p>DNS & Bind Cookbook, By Cricket Liu, ISBN: 0-596-00410-9</p></li><li><p>The DHCP Handbook (2nd Edition), By: Ralph Droms, Ted Lemon, ISBN 0-672-32327-3</p></li></ol></div></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2693066"></a>Example Configuration</h2></div></div></div><p> 39 <a class="indexterm" name="id2693074"></a> 40 <a class="indexterm" name="id2693080"></a> 41 41 The DNS is to the Internet what water is to life. Nearly all information resources (host names) are resolved 42 42 to their Internet protocol (IP) addresses through DNS. Windows networking tried hard to avoid the 43 complexities of DNS, but alas, DNS won. <a class="indexterm" name="id26930 51"></a> The alternative to43 complexities of DNS, but alas, DNS won. <a class="indexterm" name="id2693091"></a> The alternative to 44 44 DNS, the Windows Internet Name Service (WINS) an artifact of NetBIOS networking over the TCP/IP 45 45 protocols has demonstrated scalability problems as well as a flat, nonhierarchical namespace that 46 46 became unmanageable as the size and complexity of information technology networks grew. 47 47 </p><p> 48 <a class="indexterm" name="id2693 072"></a>49 <a class="indexterm" name="id2693 078"></a>48 <a class="indexterm" name="id2693112"></a> 49 <a class="indexterm" name="id2693119"></a> 50 50 WINS is a Microsoft implementation of the RFC1001/1002 NetBIOS Name Service (NBNS). 51 51 It allows NetBIOS clients (like Microsoft Windows machines) to register an arbitrary … … 67 67 The following configurations demonstrate a simple, insecure dynamic DNS server and 68 68 a simple DHCP server that matches the DNS configuration. 69 </p><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id26931 16"></a>Dynamic DNS</h3></div></div></div><p>70 <a class="indexterm" name="id26931 24"></a>69 </p><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2693157"></a>Dynamic DNS</h3></div></div></div><p> 70 <a class="indexterm" name="id2693164"></a> 71 71 The example DNS configuration is for a private network in the IP address 72 72 space for network 192.168.1.0/24. The private class network address space 73 73 is set forth in RFC1918. 74 74 </p><p> 75 <a class="indexterm" name="id26931 39"></a>75 <a class="indexterm" name="id2693180"></a> 76 76 It is assumed that this network will be situated behind a secure firewall. 77 77 The files that follow work with ISC BIND version 9. BIND is the Berkeley … … 224 224 </pre><p> 225 225 </p><p> 226 <a class="indexterm" name="id26933 02"></a>227 <a class="indexterm" name="id26933 08"></a>226 <a class="indexterm" name="id2693324"></a> 227 <a class="indexterm" name="id2693331"></a> 228 228 The configuration files shown here were copied from a fully working system. All dynamically registered 229 229 entries have been removed. In addition to these files, BIND version 9 will
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