source: trunk/rDNS.html@ 660

Last change on this file since 660 was 649, checked in by Kris Deugau, 10 years ago

/trunk

Commit lingering update to rDNS quick help page with current template
options.
File size: 1.9 KB
RevLine 
[582]1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
2<html>
3<head>
4 <title>IP Database Reverse DNS Help</title>
5 <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
6 <link rel="stylesheet" type="text/css" href="ipdb.css">
7 <link rel="stylesheet" type="text/css" href="local.css">
8</head>
9<body>
10
11<p>
12The IP Database can pass reverse DNS information back and forth to a DNS management backend to simplify
13maintenance of the reverse DNS records associated with the IPs being managed.</p>
14
15<p>Several shortcuts can be used when specifying a pattern for an IPv4 netblock, which will be expanded to
16actual DNS records by the DNS management system.</p>
17
18<table class="regular" cellspacing="1" cellpadding="1" bgcolor="#000000">
19<tr class="header"><td></td><td>Substitution pattern</td><td>Example expansion using 192.168.23.45</td></tr>
20
21<tr class="header"><td colspan="3">Whole-IP patterns</td></tr>
22<tr class="row0"><td>Dashed IP</td><td>%i</td><td>192-168-23-45</td></tr>
23<tr class="row1"><td>Reverse dashed IP</td><td>%r</td><td>45-23-168-192</td></tr>
24<tr class="row0"><td>Hex-coded IP</td><td>%h</td><td>c0a8172d</td></tr>
25<tr class="row1"><td>Decimal IP</td><td>%d</td><td>323241453</td></tr>
26
[649]27<tr class="header"><td colspan="3">Per-octet patterns (1, 2, 3, or 4 specify the octet; d, h or 0
28 specify decimal, hexidecimal, or 0-padded decimal)</td></tr>
[582]29<tr class="row0"><td>First octet, decimal</td><td>%1d</td><td>192</td></tr>
30<tr class="row1"><td>Third octet, 0-padded</td><td>%30</td><td>023</td></tr>
31<tr class="row0"><td>Fourth octet, hexidecimal</td><td>%4h</td><td>2d</td></tr>
32<tr class="row1"><td>All octets, different expansions</td><td>%1h-%2d-%30-%4h</td><td>c0-168-023-2d</td></tr>
33
34</table>
35
[649]36<p> %i and %r also allow explicitly defining the separator; eg %.i
37or %_r. '.', '-', and '_' are the only characters<br>
38supported since DNS names may not contain most other
39non-alphanumerics.</p>
40
[582]41</body></html>
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