diff options
Diffstat (limited to 'contrib/bind9/doc/arm/Bv9ARM.ch05.html')
-rw-r--r-- | contrib/bind9/doc/arm/Bv9ARM.ch05.html | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/contrib/bind9/doc/arm/Bv9ARM.ch05.html b/contrib/bind9/doc/arm/Bv9ARM.ch05.html deleted file mode 100644 index 80418b9..0000000 --- a/contrib/bind9/doc/arm/Bv9ARM.ch05.html +++ /dev/null @@ -1,143 +0,0 @@ -<!-- - - Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") - - Copyright (C) 2000-2003 Internet Software Consortium. - - - - Permission to use, copy, modify, and distribute this software for any - - purpose with or without fee is hereby granted, provided that the above - - copyright notice and this permission notice appear in all copies. - - - - THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH - - REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY - - AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, - - INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM - - LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE - - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - - PERFORMANCE OF THIS SOFTWARE. ---> -<!-- $Id: Bv9ARM.ch05.html,v 1.33.18.33 2007/10/31 01:35:58 marka Exp $ --> -<html> -<head> -<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> -<title>Chapter 5. The BIND 9 Lightweight Resolver</title> -<meta name="generator" content="DocBook XSL Stylesheets V1.71.1"> -<link rel="start" href="Bv9ARM.html" title="BIND 9 Administrator Reference Manual"> -<link rel="up" href="Bv9ARM.html" title="BIND 9 Administrator Reference Manual"> -<link rel="prev" href="Bv9ARM.ch04.html" title="Chapter 4. Advanced DNS Features"> -<link rel="next" href="Bv9ARM.ch06.html" title="Chapter 6. BIND 9 Configuration Reference"> -</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 5. The <acronym class="acronym">BIND</acronym> 9 Lightweight Resolver</th></tr> -<tr> -<td width="20%" align="left"> -<a accesskey="p" href="Bv9ARM.ch04.html">Prev</a> </td> -<th width="60%" align="center"> </th> -<td width="20%" align="right"> <a accesskey="n" href="Bv9ARM.ch06.html">Next</a> -</td> -</tr> -</table> -<hr> -</div> -<div class="chapter" lang="en"> -<div class="titlepage"><div><div><h2 class="title"> -<a name="Bv9ARM.ch05"></a>Chapter 5. The <acronym class="acronym">BIND</acronym> 9 Lightweight Resolver</h2></div></div></div> -<div class="toc"> -<p><b>Table of Contents</b></p> -<dl> -<dt><span class="sect1"><a href="Bv9ARM.ch05.html#id2572269">The Lightweight Resolver Library</a></span></dt> -<dt><span class="sect1"><a href="Bv9ARM.ch05.html#lwresd">Running a Resolver Daemon</a></span></dt> -</dl> -</div> -<div class="sect1" lang="en"> -<div class="titlepage"><div><div><h2 class="title" style="clear: both"> -<a name="id2572269"></a>The Lightweight Resolver Library</h2></div></div></div> -<p> - Traditionally applications have been linked with a stub resolver - library that sends recursive DNS queries to a local caching name - server. - </p> -<p> - IPv6 once introduced new complexity into the resolution process, - such as following A6 chains and DNAME records, and simultaneous - lookup of IPv4 and IPv6 addresses. Though most of the complexity was - then removed, these are hard or impossible - to implement in a traditional stub resolver. - </p> -<p> - <acronym class="acronym">BIND</acronym> 9 therefore can also provide resolution - services to local clients - using a combination of a lightweight resolver library and a resolver - daemon process running on the local host. These communicate using - a simple UDP-based protocol, the "lightweight resolver protocol" - that is distinct from and simpler than the full DNS protocol. - </p> -</div> -<div class="sect1" lang="en"> -<div class="titlepage"><div><div><h2 class="title" style="clear: both"> -<a name="lwresd"></a>Running a Resolver Daemon</h2></div></div></div> -<p> - To use the lightweight resolver interface, the system must - run the resolver daemon <span><strong class="command">lwresd</strong></span> or a - local - name server configured with a <span><strong class="command">lwres</strong></span> - statement. - </p> -<p> - By default, applications using the lightweight resolver library will - make - UDP requests to the IPv4 loopback address (127.0.0.1) on port 921. - The - address can be overridden by <span><strong class="command">lwserver</strong></span> - lines in - <code class="filename">/etc/resolv.conf</code>. - </p> -<p> - The daemon currently only looks in the DNS, but in the future - it may use other sources such as <code class="filename">/etc/hosts</code>, - NIS, etc. - </p> -<p> - The <span><strong class="command">lwresd</strong></span> daemon is essentially a - caching-only name server that responds to requests using the - lightweight - resolver protocol rather than the DNS protocol. Because it needs - to run on each host, it is designed to require no or minimal - configuration. - Unless configured otherwise, it uses the name servers listed on - <span><strong class="command">nameserver</strong></span> lines in <code class="filename">/etc/resolv.conf</code> - as forwarders, but is also capable of doing the resolution - autonomously if - none are specified. - </p> -<p> - The <span><strong class="command">lwresd</strong></span> daemon may also be - configured with a - <code class="filename">named.conf</code> style configuration file, - in - <code class="filename">/etc/lwresd.conf</code> by default. A name - server may also - be configured to act as a lightweight resolver daemon using the - <span><strong class="command">lwres</strong></span> statement in <code class="filename">named.conf</code>. - </p> -</div> -</div> -<div class="navfooter"> -<hr> -<table width="100%" summary="Navigation footer"> -<tr> -<td width="40%" align="left"> -<a accesskey="p" href="Bv9ARM.ch04.html">Prev</a> </td> -<td width="20%" align="center"> </td> -<td width="40%" align="right"> <a accesskey="n" href="Bv9ARM.ch06.html">Next</a> -</td> -</tr> -<tr> -<td width="40%" align="left" valign="top">Chapter 4. Advanced DNS Features </td> -<td width="20%" align="center"><a accesskey="h" href="Bv9ARM.html">Home</a></td> -<td width="40%" align="right" valign="top"> Chapter 6. <acronym class="acronym">BIND</acronym> 9 Configuration Reference</td> -</tr> -</table> -</div> -</body> -</html> |